position length

AB method is much advanced in monitoring the thickness. Through the switch of monitoring glass and appropriate choice of wave length, stop point of each layer was located in sensitive position.

AB法是一种比较先进的监控方法，通过变换监控片和移动监控波长，把每层膜的镀制停点选择在灵敏位置。

Methods: The origin, position, outer diameter and separating length of superficial epigastric vein and testicular vein were observed on 34 side of child specimens.

方法：在34侧小儿标本上，解剖观测了睾丸静脉、腹壁浅静脉的起始、位置、外径及分离长度。

Results show that when the ( inlet) pressure and the slot position keep unchanged, the suction amount of Venturi Injector increases with the ( decrease) of throat diameter and length, and the increase of slot diameter;

研究结果表明：在进口压力和凹槽位置一定的情况下，减小喉管直径和收缩段长度以及增加凹槽直径均能使文丘里施肥器的吸肥量增加；

Design of Changeable Gain Arc length PID Controller for All-position Welding of Thick-wall Pipe

厚壁管全位置焊接可变增益PID弧长调节器的设计

The running load of AFC in a fully mechanized face changes with such factors as, dip angle and thickness of coal seam, length of face, spalling of rib, especially haulage speed and position of shearer at face in coal cutting.

综采面输送机的运行负荷是随着煤层倾角、煤层厚度、工作面长度、煤壁片帮情况、特别是采煤机割煤时的牵引速度以及采煤机在工作面的工作位置的不同而变化。