The Egyptians probably measured their day in twenty-four hours of unequal length.埃及人很有可能用不同长度的24小时来度量日子。He measured the speed at which ultrasonic waves travel along the bone.他测出了超声波穿过骨头的速度。The packets are measured to red...
Illuminance of illuminating radiation is always measured in photometric units.照明辐射的照度通常是以光度为单位.It's a science in that it can be measured by results and is subject to methodological analysis.说它是科学,因为它可以通过结果来衡量,并须经方法论...