把 AI 功能放在手機「先用本機算力」通常既有技術理由也有商業策略成分;廠商會根據產品定位、成本、隱私法規與使用者體驗來決定本地運算與雲端運算的比例。
廠商會優先用本機算力的原因︰
延遲與即時性:本地推理延遲低,適合即時互動(語音助理、相機即時增強)。
隱私與合規:敏感資料可留在裝置上,降低跨境或雲端傳輸的合規風險。
成本控制:長期看可減少雲端推理費用與頻寬成本。
離線可用性:無網路時仍能提供基本功能。
差異化賣點:以「更快、更私密、低流量」作為市場訴求。
扁頭舅父仔嘅網誌
把 AI 功能放在手機「先用本機算力」通常既有技術理由也有商業策略成分;廠商會根據產品定位、成本、隱私法規與使用者體驗來決定本地運算與雲端運算的比例。
延遲與即時性:本地推理延遲低,適合即時互動(語音助理、相機即時增強)。
隱私與合規:敏感資料可留在裝置上,降低跨境或雲端傳輸的合規風險。
成本控制:長期看可減少雲端推理費用與頻寬成本。
離線可用性:無網路時仍能提供基本功能。
差異化賣點:以「更快、更私密、低流量」作為市場訴求。
漢字結構包括象形、指事、會意、形聲,以漢語訓練出來的人工智能與西方國家創造出來的有明顯的分別嗎?
用漢語語料訓練的模型在語言表徵、文化偏向與本地化表現上通常有明顯優勢,但在核心架構與基礎能力(如推理、算力需求)上與西方模型並非本質不同,更多是「優化方向與應用生態」的差異。
語言結構影響 token 與效率:漢字每字語義密度高,對 tokenizer 與上下文窗口利用率有不同影響,可能降低推理成本或改變訓練策略。
文化與價值觀嵌入:模型會反映訓練語料的文化傾向;中文原生模型在本地文化、語域與禮貌用語上更貼近華語使用者。
技術相似但生態不同:基礎架構(Transformer、訓練技巧)全球通用,但資料來源、監管、部署速度與商業模式在中西有顯著差別。
Token 是自然語言處理中把文字切分成的最小單位,模型以 token 為基本運算單位來學習與生成語言。token 可以是字元、子詞、整詞或字節序列,取決於所用的 tokenizer。
常見 tokenizer 類型
字元型:每個字或字母為一個 token。
子詞型(例如 BPE、WordPiece):把常見字串當作 token,能平衡詞彙覆蓋與詞表大小。
字節級(Byte-level):對任意語言都穩定,處理未知字詞更健壯。
Modified from Microsoft Copilot
一般來說,定焦鏡因光學結構簡單、葉片形狀更規則,星芒線條往往更銳利;變焦鏡則因葉片數量與形狀差異,星芒可能較柔和或不均勻。
星芒是由光圈葉片邊緣的衍射造成,葉片數量決定星芒線條數。光圈葉片數量為偶數時,星芒條數等於光圈葉片的數量;光圈數目為單數時,星芒條數則為光圈葉片數目的兩倍。例如︰
limbic system: a system of nerves in the brain involving several different areas, connected with basic emotions such as fear and anger and basic needs such as the need to eat and to have sex
swiftly: quickly; after a very short time
pivotal: of great importance because other things depend on it
uncouple: to remove the connection between two vehicles, two parts of a train, etc.
loom: (of something bad) to appear serious and likely to happen soon
linger: to continue to exist for longer than expected
mundane: not interesting or exciting
household: all the people living together in a house or flat
"Laugh his socks off" is an informal English idiom meaning to laugh uncontrollably or heartily.
Ts&Cs: abbreviation for terms and conditions
testament: a thing that shows that something else exists or is true
bewilderment: a feeling of being completely confused
over-the-top: done with too much acting, emotion or effort
primitive: belonging to an early stage in the development of humans or animals
huff and puff: to breathe loudly, usually after physical exercise
Border collie: a medium-sized black and white dog, often used as a sheepdog
connotation: an idea suggested by a word in addition to its main meaning
hardwired: (of a skill, quality or type of behavior) present as part of who you are and the way your brain is made, not learned from experience
fast-track: to make somebody’s progress in achieving something, for example a high position in a job, quicker than usual
deliberately: done in a way that was planned, not by chance
When we're stressed, our breathing becomes shallow and some of the alveoli in our lungs can collapse, which increases the carbon dioxide levels in our blood. The abundance of carbon dioxide causes us to feel stressed and agitated, which is why taking deep breaths can feel calming.
The physiological sigh is a rapid breathing technique proven to reduce acute stress and anxiety. It involves a double inhale (a deep breath followed by a short top-up breath) through the nose, followed by a slow, extended exhale through the mouth.
This intentional breathwork triggers the parasympathetic nervous system to immediately lower your heart rate and calm your nervous system.
Neuroscientist Dr. Andrew Huberman stated that the physiological sigh could serve as an anxiety-reducing tool by giving the individual autonomy and control.
壓力時呼吸變淺,部分肺泡可能萎陷,血液中二氧化碳濃度上升。二氧化碳過多會讓人感到緊張與躁動,因此深呼吸會有鎮定效果。生理嘆息是一種經證實能減輕急性壓力與焦慮的快速呼吸法:先用鼻子做一次深吸,再補一次短吸,然後用口慢慢長呼氣。這種刻意的呼吸會啟動副交感神經,立即降低心率、平復神經系統。神經科學家 Dr. Andrew Huberman 指出,生理嘆息還能讓人恢復自主感與控制感,從而減少焦慮。
Modified from Microsoft Copilot
hallmark: a feature or quality that is typical of somebody/something
Nicole Vignola "Rewire"
hk.dictionary.search.yahoo.com
oxfordlearnersdictionaries.com
dictionary.cambridge.org
Google AI overview
Compare full frame 216 mm and canon aps-c 135mm
視角:兩者的等效焦距都是 216mm,所以在取景範圍上是一樣的。
光學特性:
Full Frame 216mm → 真實的 216mm 光學焦距。
APS‑C 135mm → 光學上是 135mm,但因感光元件裁切,視角等效 216mm。
景深:
Full Frame 216mm → 景深較淺,壓縮感更強。
APS‑C 135mm → 雖然視角相同,但景深特性仍是 135mm 的,背景虛化程度比 FF 216mm 稍弱。
Microsoft Copilot
animalLookup = {
'a': ['aardvark', 'antelope'],
'b': ['bear'],
'c': ['cat'],
'd': ['dog'],
}
for letter, animals in animalLookup.items():
if len(animals) > 1:
continue
print(f'Only one animal! {animals[0]}')
for letter, animals in animalLookup.items():
.items() gives you key-value pairs from the dictionary.
letter will be the key ('a', 'b', etc.).
animals will be the list of animals associated with that key.
Example iteration:
First loop: letter = 'a', animals = ['aardvark', 'antelope']
Second loop: letter = 'b', animals = ['bear']
…and so on.
len(animals) counts how many animals are in the list.continue means “go to the next loop cycle”).'a' (two animals) will be skipped.animals[0] gets the first (and only) item in the list.f before the string tells Python: evaluate expressions inside {}.{animals[0]} is replaced with the first element of the list.'b', animals[0] = 'bear'.{} in are part of the f‑string syntax. They tell Python: “evaluate whatever is inside these brackets and insert the result into the string.”A prime number is a natural number greater than 1 that has no divisors other than 1 and itself.
Example:
Non‑prime (composite) numbers can be divided evenly by other numbers (e.g. ).
** is the exponentiation operator. It raises a number to the power of another number.number by all integers from 2 up to the square root of number.% is the modulus operator (remainder).number is divisible by factor → not prime.break exits the inner loop immediately.else belongs to the for loop, not the if.number = 7
Factors checked: 2 → not divisible, 3 → not divisible.
Loop ends without break.
else runs → prints "7 is prime!".
number = 9
Factors checked: 2 → not divisible, 3 → divisible.
break triggers.
else skipped → nothing printed.
int() function truncates (drops the decimal part), not rounds.室內拍照是否需要閃光燈?
光線不足時︰APS-C DSLR 的內置閃光燈可以補光,但光線通常比較硬,容易造成「死白臉」或強烈陰影。
替代方法:外置閃光燈打到天花板或牆壁,光線會柔和很多。
三腳架的限制︰如果拍攝人物,慢快門會導致人物移動模糊,這時候閃光燈仍然有幫助。
如何讓光線自然︰
調整閃光輸出:在相機設定裡降低閃光補償(Flash Compensation),避免過曝。
混合環境光:快門速度設在 1/60–1/125 秒,讓環境光進入,再由閃光燈補主體。
Microsoft Copilot and summarized