至少有两条尾波应该钻到那带头的运输舰底下.At least two wakes had to go under the lead transport.我们看见海豚在船驶过的尾波中跳跃.We watched dolphins leaping in the wake of the boat.飞机飞过会产生音爆,就像船只产生尾波一样.A sonic boom follows an aircraft as a wake follows a sh...
Defines arcs and ellipses and identifies the classes needed to draw them.定义弧形和椭圆并确定绘制这些形状所需的类.The individual arcs cannot be rectified.单个弧是不能求长的.Arcs more readily than AC welders, with longer arcing.起弧比交流电容易, 电弧加长一倍.Recen...