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lower frequency limit circuit 低频限制电路
Difficulties in regeneration of leaves in vitro and low frequency limited the development of jujube cell engineering and genetic engineering. 枣叶片离体再生困难，再生频率低，这制约了枣树细胞工程学和基因工程学的发展。
Analysis on the lowest frequency limit of variable frequency chilled water pump 冷冻水泵变频频率下限分析
lower frequency limit 下限频率
This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
Note: Close woundcoils will resonate at a slightly lower frequency. （注：密绕的线圈将会谐振在稍低的频率。）
Objectives:To design a new type of circuit for measuring the peak value of low frequency irregular bioelectrical signal for clinics. 目的:为临床设计一种测量低频率不规则生物电信号的新型测量电路。
The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
Laser direct writing of micro-OVD with low frequency templates[J]. 引用该论文魏国军;周小红;周雷;陈林森.
Of course, connector cost increases with the frequency limit because of tighter manufacturing tolerances. 当然，由于制造公差紧的原因，连接器成本随频率限值的增大而增大。
The lower frequency of the dryer, the lower the viscosity of pseudo-boehmite. 主机频率越低，拟薄水铝石产品黏度越低；
Firstly, in the lower frequency application, R-MOSFET-C filter is used. 首先，对于低频应用，可以使用R-MOSFET-C滤波器。
The lower frequency of the dryer,the lower the viscosity of pseudo-boehmite. 主机频率越低,拟薄水铝石产品黏度越低;
If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
The direction of the low frequency current with maximum frequency was also WSW. 低频流出现频率最多的方向和潮流基本一致。
Medium SMES (200 MVA) are able to compensate some low frequency disturbance. 中型SMES(200MVA),这类SMES能补偿某些低频度的扰动
Helmholtz resonator has a good noise eliminating performance at low frequency. 亥姆赫兹共振腔具有良好的低频消声性能,被广泛地应用于低频消声方面。
Armstrong was forced to use avery low frequency barely above audibility. 当时这样的频率被认为是“高频”，但只不过是现在所用调幅波段的底部而已。
Peak indicator light and LF (low frequency) switch per mono channel. 每路单声信道具有峰值指示灯及低频切除开关。