constant external pressure

常见例句

I mean maybe up the street we whisper, but here we know it. And, so here is a different kind of system where we have a constant external pressure.
或許在街上你們低聲細語，但在這裡不應該這樣，這是另一個系統,我們有一個恒定的外壓強。
The constant spread of the majority languages imposed an external pressure on the minority languages, among which many are becoming endangered languages.
由於強勢語言不斷擴散，在外部環境上給少數民族語言造成很大的壓力，使大批少數民族語言成爲瀕危語言。

I mean maybe up the street we whisper, but here we know it. And, so here is a different kind of system where we have a constant external pressure.
或許在街上你們低聲細語，但在這裡不應該這樣，這是另一個系統,我們有一個恒定的外壓強。
麻省理工公開課 - 熱力學與動力學課程節選
This piston is being brought out, so we expect 0 the work to be negative, negative. And we start o V2 ut with zero volume. We end up with a volume p2 of V2, and the external pressure is constant to p2.
所以我們可以想象功是負的,開始的時候躰積是,最終的容積是,外界的壓力恒爲。
麻省理工公開課 - 熱力學與動力學課程節選
So this isn't the most useful form that we can have, but what we'll see shortly is that from this, we can then derive further criteria for essentially any set of variables or any set of external constraints, like constant temperature or pressure or volume and so forth that we might set.
所以這不是我們所能得到的最有用的形式，但是我們會很快看到，我們能夠進一步推導出包含任意變量,或者任意約束的自發過程判斷標準，比如說恒定的溫度，壓強,躰積或者其他我們能夠給出的約束。
麻省理工公開課 - 熱力學與動力學課程節選

These same coaches face constant external pressure and second guessing from athletic directors, parents, administrators, boosters, the public, and the press.
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