Tina
Lv 6
Tina 發問時間: 社會與文化語言 · 1 0 年前

英文高手請進~中翻英+英翻中

1.科技就是運用科學知識來滿足人類的需要

2.實驗前,學生要先看實驗說明;實驗後,計量要精確實

3.Your last word put his monkey up.

4.He is on his high horse.

5.

Atmospheric pressure may be used to support a column of liquid. This is the principle used red barometer.

A simple barometer insists of a tube, closed at one end, which is filled with liquid and then inverted in a trough of the liquid. The pressure due to the column of liquid in the tube is equal to the pressure acting on the surface of the liquid. Since this pressure is atmospheric pressure, the height of the column of liquid represents the pressure of the atmosphere.

Various liquids may be used, but if water were used, normal atmospheric pressure would support a column about 10.4 m high, and therefore the instrument would be extremely inconvenient to use. For this reason, mercury is usually used as the liquid in barometers, since the length of the column of mercury which the atmosphere will support is usually about 760 mm .

The length of the column of mercury is directly proportional to the atmospheric pressure, and will therefore vary according to where the barometer is set up. If a mercury barometer were set up on top of a mountain, the column of mercury would be shorter than one set up at sea-level, since the air pressure on top of a mountain is less than at sea-level.

1 個解答

評分
  • sun
    Lv 6
    1 0 年前
    最佳解答

    1.科技就是運用科學知識來滿足人類的需要

    Technology is applying the knowledge of science to satisfy human needs.

    2.實驗前,學生要先看實驗說明;實驗後,計量要精確實

    Before experiments, students should read the instructions first. After experiments, calculations must be accurate.

    3.Your last word put his monkey up.

    你最後的話激怒他了

    4.He is on his high horse.

    他正趾高氣揚

    5.

    大氣壓可被用來支持液體柱,這是紅色氣壓計所應用的原理。

    一個簡單的氣壓計管由一端封閉的管子,充滿液體然後反轉插入一相同液體的槽中所構成。 由於在管柱中的液體壓力和作用在槽中液體表面上的壓力相等。 因為這壓力是大氣壓,液柱的管面高度即代表大氣的壓力。

    各種不同的液體可被使用,但是如果使用水,正常大氣壓將會支持大概 10.4 公尺的高度,因此這樣的儀器將會非常地不便使用。 基於這理由,汞通常被當做氣壓計中的液體使用,因為大氣將支持的柱汞的高度通常是大約 760 毫米。

    柱汞的高度和大氣壓成正比,而且將會因氣壓計所在的地方而改變。 如果一個水銀壓力計被放在山頂上,汞柱的高度將會比在海平面時低,因為山頂上的氣壓比在海平面還要小。

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