And then his third law was that if you take the orbital period of an ellipse, that is proportional to the third power of the mean distance to the Sun.

第三定律是，椭圆轨道的周期，和距太阳的平均，距离的，立方成比例。

youdao

Write in the third person (" the aquifer covers 1000 square kilometers ") or the first person plural (" We see from this equation that acceleration is proportional to force ").

用第三人称写(“含水层涵盖1000平方公里”)，或第一人称复数(“从这个等式我们看到，加速度与力成正比”)。

youdao

And so if it's related to the third power of the size it must also be proportional to the third power of the length of the femur because of this relationship.

与其大小的,三次方相关,所以它必然与股骨长度的三次方,成正比,由于这个关系式。

youdao

Supporting it in exchange for a promise to introduce proportional representation, which benefits third parties, would look opportunistic.

ECONOMIST: Bagehot

More difficult is the demand by the Liberal Democrats that the 60-seat assembly should be enlarged to allow for more seats elected by proportional representation (at present a third of the seats will be elected in this way).

ECONOMIST: Wales

He also called for a full proportional representation voting system, which he said would mean his party would come second or third in the next general election.

BBC: UKIP considers leadership hopefuls