The flexible diaphragm is connected to a plat cantilever - calibrated spring.柔韧的膜片一扁平的悬臂校正弹簧相连.Reflection of a beam of light on the diaphragm falls on a phototransistor.经膜片反射的光束照射到光敏管上.The diaphragm draws air into the lu...
ROWLAND Researchers speculate stress may be the cause of the grim statistic.罗兰德研究者推测压力可能是这一可怕统计结果的原因.He nominated David Rowland as his successor.他任命大卫·罗兰为他的继承者.ROWLAND Was it a hard decision for you guys to make, for you...