The vacuum table has simple structure, good smoothness of the suction table bottom board and low manufacture cost. 该真空吸台结构简单、吸台底板平面度好、制作成本低。
If the mic has a low end rolloff filter, you may want to use it as you do not want bottom end ( low frequencies ) from the hi-hat mic. 如果麦克有低频滚降开关,你或许想用它在你不希望从踩镲麦里得到底端频率(频)情况下。
The similarity of composition of catches between beam trawl and bottom trawl was low to 0.6349. 弓子网和底拖网的Sorensen相似性系数(SS)为0.6349,两种网具渔获物组成的相似性较差。
Moreover, the gas hydrate layer on optimal-scale section shows a high scale zone of paralleling bottom in the low scale background. 在最佳尺度剖面上,水合物层表现为低尺度背景中的近似平行于海底的高尺度带。
In the areas which is irrigated by directly using the reservoir bottom water, low water temperature has become a key restriction factor which affects benefit agriculture. 在直接引用水库底层水进行灌溉的地区,水温偏低已成为影响效益农业高质高产的关键制约因素。