由于我将立方体的中心点放在坐标系原点位置处，因此立方体的各边长应为 2 个单位。
Remember that I placed the cube's center at the coordinate system's origin; therefore, the cube's edges will be two units long.
典型的单位是挖方或混凝土工程的立方码和布局钢的吨位。
Typical units are cubic yards for excavation or concrete work and tons for structural steel.
空气体积的测量，单位为每分钟立方英尺或立方米。
Measurement of air volume, in cubic feet or meters per minute.
应用推荐