1、And there's a bigger number than this, so it's a positive number overall.
這是一個很大的數，所以這邊總的來說是正數。

2、The precision must be a positive number less than 53; if it isn't, you get an error.
精度必須是小于53的正整數；如果不是，就會出錯。

3、A positive number defines the number of seconds a cache entry exists in the cache.
整數定義緩存條目在緩存中存在的秒數值。

positive number翻譯