lineal descent是什么意思

网络释义

用法例句

Britain remained neutral in China s Civil War without supporting the Chili party or the Anfu party.

英国对中国的内战持中立态度 ,不支持包括直系在内的任何一方 ;在直系参战期间 ,英国扣留了直系的军火 ;英国虽然同情吴佩孚 ,但未向吴提供军火和经济援助 ;为维护英国在华权益 ,英国损害直系的权威 ;英国对包括吴佩孚在内的军阀采取的策略是“等着瞧” ,不将“赌注”押在任何一派军阀身上 ;英国也不支持直系的另一将领孙传芳。

A laser collimating system supplies a base line which is used for coaxiality measure- ment.

激光准直系统的研制是为了提供大轴同轴度测量中需要的一条基准直线。

A combination of microscope and collimating systems is designed for the monitors to make them possess the abilities of measuring target positions and collimating synch.

设计了正八棱柱模拟靶对靶场坐标系进行标定;设计了由显微和准直系统相结合的监测仪光学系统,使监测仪同时具有测量靶位和准直的功能。

In a collimating system formed by a pair of quarter pitch gradient index rod (GRIN) lenses, there exist three kinds of assembling misalignments: lateral offset, longitudinal separation and angular tilting.

一对１／４节距自聚焦棒透镜构成的准直系统通常存在三种装配误差：错位、间隔和倾斜，由此产生一定的附加耦合损耗。

Fetus skin,heterogenous skin of lineal consanguinity and self-skin obturate primeval burn sunface;

胎儿及直系亲属异体皮混合自身皮片植皮封闭烧伤创面

Optimum design for high precision laser beam collimation system of free-space laser communication;

光通信中高精度激光束准直系统优化设计

Based on the law of refraction in vector form,the laser beam propagation in an aspheric and asymmetrical laser beam collimation system from high-power semiconductor laser has been researched for spatial laser beam long-distance propagation.

为实现空间激光束的远距离传输,利用矢量折射定理研究了大功率半导体激光器发散光束经非球面、非轴对称准直系统的光传输特性。

How to identify the true orthologous and paralogous relationships among protein families is still a key problem in genome annotation and comparative protemics.

如何正确判定基因之间的直系同源 (ortholog)和旁系同源 (paralog)关系 ,仍是基因组功能诠释和比较基因组学中有待更好解决的关键问题。