查询词典 null point

The reference domain is assumed to be a bounded open set of R~N with boundary Γ of class C~2. We investigate in this paper the null controllability for the semilinear parabolic equations in non-cylindrical domains. The fixed point method is used in the proof.

本文讨论了定义在上述非柱形区域中的半线性抛物方程零能控性，我们使用的方法主要是通过同胚映射将非柱形区域中的抛物方程转化为柱形区域中的抛物方程，再利用不动点方法得到半线性抛物方程的有关结果。

The metaphase plate would thus be the null point between two equal but oppositely directed and acting groups of kinetochore tubules.

中期板大概是两个相等而方向相反的放射状着丝点微管群之间的平衡点。

There are other places on the planet that are difficult to live, and that's at the null point .

有其他地方的这个星球是很难活，那就是在空点。

The last item in the list would point to NULL as it's the next node, so you'd know you're done.

列表中的最后一个项目将指向NULL作为它的下一个节点，所以你知道你这样做。

This will point to NULL or the end of the string if there's no more break.

如果没有更多的break，它将指向NULL或者是这个字符串的尾部。

It is pointed out that not only the bridge voltage but also the supply voltage have influence on null point and sensitivity for pressure sensors.

分析了自平衡电桥激励的压力传感器的输出信号与桥电压、供电电压及流体压力之间的关系，并指出，不仅桥电压而且总激励电压都对零点和灵敏度有影响。

For every entry point left null, the operationis considered unsupported.

对于没一个保留null的入口点来说，它的操作被视为不被支持。

The device provides extreme sensitivity through a small range around the null point.

此装置在零点附近很小一段范围内具有极高的灵敏度。

And dissolved background radiation in environment by adjusting ampere meter's mechanical null point.

调节电流表机械零点消除环境本底辐射。

Venner C H Multilevel solution of the EHL line and point contact problems Enschdede, Netherlands:University of Twente , 1991,null

郭峰 椭圆接触微观热弹性流体动力润滑求解的多重网格算法研究青岛建筑工程学院硕士学位论文， 1998，null

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。