查询词典 null algebra

During the measurement of the dynamic laser goniometer, it's very important to have a collimation device named null-indicator to establish an accurate zero point, the high speed response and the accuracy of NI are very important.

在激光陀螺测角仪的测量过程中，为了建立一个可靠精确的零点，提出一种特殊的瞄准指示装置--指零仪光路部分的设计方案。

When the full handshaking null modem cable is used, there is no request anymore .

当使用带全握手信号的无猫电缆，就不再有"请求"了。

The null modem cable with full handshaking does not permit the older way of flow control to take place.

带全握手信号的电缆不允许使用老的流量控制方式。

The simple null modem cable without handshaking has the disadvantage that it does not permit proper written software to communicate with it.

无握手的简单无猫电缆的不利之处是它不允许设计良好的软件用它来通讯。

The paper summarizes the recent progress in microsatellites isolation and their applications in population study, parentage analysis, and detection of changes in genetic variation of farmed stocks, and reviews the problems of microsatellite markers including null alleles and size homoplasy.

本文对皱纹盘鲍的微卫星标记的开发以及在种群遗传多样性评价、家系分析、人工苗种遗传变异监测研究方面的最新进展进行了综述，并阐述了微卫星标记在无效等位基因、大小承异同形性等方面存在的问题。

Mouse models of this genetic defect have been unsatisfactory because homozygote null animals die early in development and heterozygotes do not exhibit a cardiac phenotype.

这种遗传缺陷的小鼠模型并不能令人满意，因为纯合子缺陷动物在发育早期就会死亡，而杂合子又不能显示心脏表型。

In the fin219-null mutant background, GUS staining can be detected in the hydathode of cotyledons, and the guard cells around hydathodes. GUS staining are also found in the base of trichomes, hypocotyls and roots. In contrast, in the phyA mutant background, GUS-FIN219 was not expressed in the hypocotyls.

结果发现转殖在fin219-null突变株背景下，FIN219会特别表现在植株叶缘出水孔与附近的保卫细胞及毛茸基部、初生叶、下胚轴、根部等处，然而在phyA缺失的时候植株幼苗的FIN219则不会在下胚轴表现。

Spacelike case: Hyperbolic space H2, spacelike plan.? Timelike case: Null scroll- Timelike umbilical surface: de Sitter 2-space S2, timelike plan.

在此基础上，我们给出了伪全脐曲面的一种分类：·类空的情况：双曲空间H~2，类空平面。

If this member is NULL, the system searches the icon resource

如果这个成员是空，系统会搜索其它的ICON

If this member is NULL, the system searches the icon resource specified by the hIcon member for an icon of the appropriate size to use as the small icon.

如果该值为 NULL 。则把 hCursor 中的图标转换成大小合适的小图标。

This matter overthrew all basises I learned from Sunday school .

这件事把我从周日学校学到的所有道理都颠覆了。

It's one of the cruel ironies of aging: if you want to remember your favorite restaurants, the less you should eat at them.

这是一个老化的残酷讽刺：如果你想记住你最喜欢的餐馆，你应该更少吃到它们。