2) transgression-regression
海进海退
1.
This phenomenon is related to the REEs sources(gyration and discontinuity eruption Emeishan basalt) and the transgression-regression frequently.
REE在界限附近的异常富集是其物源(间歇性和多旋回性喷发的峨眉山玄武岩)和成煤期频繁的海进海退共同作用的结果。
3) feeding/relieving
进退刀
1.
When milling and grinding a close plane contour curve on a CNC machine tool, We must select a reasonable curve for the feeding and relieving of the cutter during programming, so as to keep perfect the normal geometric shape at the feeding/relieving point on the contour curve.
在CNC机床上编程铣、磨削加工封闭平面廓线时,必须选择刀具进入切削和退出切削的合理曲线,从而保证廓线上进退刀点处的几何形状。
4) advance and retread
进退式
1.
Because of some factors including the error exists in the color sign printed on packaging material,the advance and retread of packaging material and other influence such as the fluctuation appears during operation,the designed sealing part may be moved in the high-speed running process,as a result,the sealing effect and production efficiency are influenced seriously.
本文详细论述了采用连续进退式光电自动定位系统消除该误差的工作原理,该系统由光电头检测色标并输出光电信号,经由凸轮限位开关比较送纸速度和封切速度,通过电气系统控制伺服电机正转或反转,产生的补偿量输入差动机构从而使送纸机构增速或减速,以达到误差补偿的目的。
5) retreat in order to advance
以退为进
1.
A Task Scheduling Arithmetic of "Retreat in Order to Advance" based on Ant Colony Arithmetic
一种“以退为进”的蚁群调度算法
6) siltation and erosion
淤进蚀退
1.
Based on the analyses of remote sensing data of three tests of regulation of water and sand,siltation and erosion of the Yellow River estuary reach are quantitatively described.
通过对3次调水调沙试验中黄河河口遥感数据的分析,定量描述了黄河河口尾闾淤进蚀退,并将黄河利津水文站的观测资料作为佐证,初步揭示了黄河河口淤进蚀退与上游来水来沙量的关系,说明了调水调沙对黄河河口尾闾的积极作用。
补充资料：进退格
1.亦作"进退韵"。 2.律诗用韵的一种格式。一首诗采用两个相近的韵部来押韵，隔句递换用韵，一进一退，故名。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条