bob pendulum 中文意思是什麼
bob pendulum
解釋
連叉擺-
As object lessons to explain : 1 the nature and habits of oviparous animals, the possibility of aerial flight, certain abnormalities of vision, the secular process of imbalsamation : 2 the principle of the pendulum, exemplified in bob, wheelgear and regulator, the translation in terms of human or social regulation of the various positions clockwise of movable indicators on an unmoving dial, the exactitude of the recurrence per hour of an instant in each hour, when the longer and the shorter indicator were at the same angle of inclination, videlicet, 5 5 11 minutes past each hour per hour in arithmetical progression
他把它們作為實物教材，用以說明： 1卵生動物的本性與習性，空中飛行的可能性，一種異常的視覺器官，世俗界用防腐藥物保存屍體的方式。 2體現于擺錘輪與整時器上的鐘擺的原理不動的針盤上那可移動的正轉的長短指針在各個位置作為人或社會規范所包含的意義長針和短針每小時在同一傾斜度相遇的那一瞬間，也就是說，按照算術級數，每小時超過5 5 11分的那一瞬間，每小時重復一次的精確性146 。 -
The mass of the pendulum bob does not change from one location to another on the earth's surface.
擺錘的質量在地面各處都一樣。 -
When pulled to one side of its equilibrium position and released, the pendulum bob vibrates about this position.
把此質點作為擺錘拉到平衡位置的一側，然後釋放，擺錘就在平衡位置附近擺動。 -
The pendulum is usually measured from the top point to the middle of the bob
我們稱底部的重物叫擺錘（擺的長度一般從頂點到擺錘中間來計算） 。
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