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- lower half - power frequency 下限频率
- upper half power frequency 上侧半市电频率
- half power frequency 半功率频率
- Anesthesia of the lower half of the body. 下半身麻醉。
- Impact in power frequency variation. 频率变化之影响。
- Insert lower half of bushing into square hole in crossmember. 将衬套下半段放入横梁的方孔。
- Complete paralysis of the lower half of the body including both legs, usually caused by damage to the spinal cord. 截瘫，下身麻痹通常由于脊髓受伤引起的包括双腿在内的下部身体完全的瘫痪
- Child: Place the heel of one hand on the lower half of the sternum. 儿童:将一手掌根放于下。
- The lower half apparently does not matter, but the top half is sacrosanct. 下半口显然不要紧，但上半口则是神圣不可侵犯的。
- A measurement of the difference in cycles/sec between the limiting frequencies of a band in which the attenuation of any frequency, with respect to the central frequency, isless than a specified value(usually half power or three db). 一个频带的上下界频率之间差的一种度量，以周期/秒表示。在该频带中，任何一频率的衰减（对中心频率而言）小于一个特定的值（通常为半功率或3分贝）。
- The disconnector shall operator at the power frequency short circuit while MOA's failure under the abnormal conditions. 避雷器带脱离的目的是当避雷器在异常情况下发生故障损坏时，工频短路电流使脱离器工作，脱离器接地端自动脱开，使故障的避雷器与系统脱离，并表明故障避雷器更换。
- The lower half of the pattern will be obtructed by the presence of the mirror itself. 图样的下半部被反射镜本身挡掉了。
- A review on the study on power frequency electromagnetic field hazards to organisms. 工频电磁场生理危害的研究进展。
- The depressions seen in the lower half of the specimen were caused by a staghorn calculus which has been remoed. 肾下极凹陷区域是由于鹿角样结石压迫所致，结石已经取出。
- The New Techniques Development of High Voltage High Power Frequency Converter of ABB Co. ABB高压大功率变频器的最新技术发展
- A large vein that returns blood to the heart from the lower half of the body;the inferior vena cava. （畜类的）后腔静脉将血液从下半身送回心脏的大静脉；低级腔静脉
- When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable. 万一变频器出现故障时，可工频驱动，转速不可调。
- After saturation the specimen is fitted into the lower half of a special cell, being sealed by O-Rings. 试件浸透水后，便装入一个专用的O形封闭环的容器的下半部中。
- It is pointed out that the power frequency electromagnetic field is inductive field,but not radiation field. 对输变电工程工频电磁场、无线电干扰进行了理论分析,指出输变电工程工频电磁场是感应场,而非辐射场。
- Reduced clearance range corresponding to the lower half of the actual clearance range. 减小的游隙范围,同实际游隙范围的下半部分对应。
