Hoe many builders in this city can effectuate such progress in that short period of time?
这个城市还有多少建筑商能在如此短的时间内实现这么快的进度呢？
Many small gardens are cultivated with the spade and hoe.
一些小花园用铁锹和锄头耕种。
By the aid of such HOE, the object planes at different distance can be-Imaged into the corresponding channels, Therefore a 3-D object field may be displayed by many 2-D images.
它可以把物方空间沿光轴方向上的不同物距上的物面分别成像在对应的通道上，从而把一个三维物场变为多个二维像进行显示。
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