opening and closing speed

基本解释

Overwhelmingly, people are talking about the new iPhone's lightning fast speed, especially when opening and closing applications and browsing the net.
人們普遍叫好的一點就是這款新手機的速度，尤其是在開啓/關閉軟件和瀏覽網頁時的速度非常快。
A system of weather sensors on the outside of the building monitors the temperature, wind speed and level of sunlight, closing blinds and opening windows panels as necessary.
位於建築外部的天氣傳感器系統檢測溫度、風速和光照強度，必要時關閉窗簾或開啓窗戶。
Output speed of electric installations on the determination of its opening and closing the valve when the time is not strictly required, should try to use a slower speed.
關於對電動裝置輸出轉速的確定，在閥門對其啓閉時間沒有嚴格要求時，應盡量選用較慢的速度。
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