基本解释：正割,割线
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Flexural Modulus - 1% Secant (Based on ASTM D 790A)挠曲模量–1%正割（根据ASTMD790A）
The pulse envelope we obtained is a hy-perbolic secant function of time.所得脉冲包络为时间的双曲正割函数。
The Approach About the Cutting Torch Cuts Slab Regularly after Ethernet Has TroubleH1网故障切割机正常切割板坯的研究
The farmers are cutting rice.农民们正在割稻子。
The men were mowing hay in the South Acre.一些人正在南地割草。
Thanks for lending me your big lawn-mower. It was just the job for the long grass.多谢你借给我大割草机. 割高草正需要这个.
The metal being cut is low-carbon steel.正在切割的金属是低碳钢。
The commune members were busy getting in the crops.公社社员们正忙着收割庄稼。
The reciprocal of the sine of an angle in a right triangle.余割直角三角形中一个角正弦的倒数
She is slitting a man's throat.她正在割一个男人的喉咙。
He is cutting the steel plate that the heat treatment is crossed.他正在切割热处理过的钢板。
The farmers are burning off the fields.农民们正在清除收割之后的田土残物。
Studies on Lapped Orthogonal Transform and Video Segmentation and Coding;交叠正交变换与视频分割编码的研究
Research on the Correction and Segment for CT Scout Image;对于CT定位像的校正分割方法的研究
Research on Frontal Human Body Segmentation Algorithms in Static Images静态图像中的正面人体分割算法研究
Piezoelectric Surgery(Piezosurgery) in Orthognathic Surgery超声骨切割技术在正颌外科中的应用
Analysis on 45 Degree Power Divider Orthogonal Mode Transducers45°功率分割正交模变换器的分析
One day he was teaching his seven-year-old son Kelly how to push the lawn mower around the yard.一天，大卫正在教他7岁的儿子凯利如何使用割草机割草。
