田由

这块田由三家耕种。

The farmland was worked by three families .

这块田由143名人员耕种。

The farmland was worked by 143 members .

坡地修成梯田后，因种植田面由坡变平和地埂占地，使种植面积减少；

When slopeland is improved into terraced field , the plantable area is reduced because of the surface of farmland becoming flat and the land used for constructing earth banks .

然后，采用Runge－Kutta方法求解了多种参数下的自由振动和强迫振动.分析结果表明：变质量转子的自田振动是由转子质量大小变化引起的；

Then , the free vibration and the forced vibration of the rotor are obtained by means of Runge-Kutta method .

现在我们发现我们已到了和田，这个由这里的玉石，丝绸和地毯而闻名的地方。

Now we have found ourselves in Hotan , famous for Jade , Silk and carpets .

湘南骑田岭岩体主要由两阶段侵位所形成，早阶段侵位花岗岩组成骑田岭岩体的主体。

Qitianling pluton was formed by two phases of emplacement , and is mainly composed of early stage granite .

对过度围垦的田地，要根据条件与可能，区别不同情况，逐步平垸行洪、退田还湖。由1998年长江洪水对淮河行蓄洪区的思考

In over-cultivated lake areas . in line with local conditions , the embankments will be removed to help discharge flood water and return farmland to the lake . From 1998 Yangtze River Flood to Huaihe River Water Detention and Diversion