查询词典 zero line

It appears nearly on edge to our line of sight. The right- most galaxy, resembling a "zero," exhibits a clumpy, blue ring of intense star formation.

美宇航局原计划10月份派宇航员乘航天飞机上天对哈勃进行最后一次维护，但由于数据处理设备的突发故障，维修飞行任务已经被推迟到明年年初。

Its basic idea is to use ZVS circuit which makes the main circuit of inverter resonate at every beginning of carrier period, so each power devices can be commutate when the voltage of main circuit's DC bus line is zero.

其基本思想是，通过零电压开关电路使逆变器主电路在各载波周期起始时刻产生谐振，确保各功率开关器件在主电路P、N极间电压为零期间进行动作切换。

An imaginary line connecting points on the Earth's surface where the magnetic declination is zero.

一条在地球表面上连接磁偏为零的点的假想线。

This approach applies a zero input differential voltage and overcomes the interactions between V OL and V OS —making it easy to use on the production line.

这种方法适用于一零输入差分电压和克服这是由V和V 操作系统职等的相互作用，从而易于使用的生产线。

The Beijing-Tianjin high-speed rail link, the first "zero emission" rail line, will be put to operation Friday.

中国第一条"零排放"高速铁路—京津城际铁路将于8月1日开通运营。

Comparing with the line-selection using amount and direction of zero sequence fundamental wav...

这对故障线路的识别、提高选线的准确率及微机选线装置的开发是有利的。

In these programs, the author stores the non—zero elements of the global stiffness matrix in line, and solve the equations using Gauss—Seidel Method, which can not only save numerous internal spaces, so it improves the ability to deal with the giant engineering problem greatly, but also promote the efficiency to solve the equations.

本文作者独立编制了三维弹性损伤有限元程序，该程序采用一维索引压缩存贮整体刚度矩阵配合松驰法解方程，既大大节省了计算机内存从而为扩大解题规模提供了可能，同时又提高了解题效率。

Source line bias is an error introduced by a non-zero resistance in the ground loop of the read/write circuits.

源极线偏置是由读取/写入电路的接地环路中的非零电阻引入的误差。

To start the process, hold down the cloth measuring tape at the zero point at the gunwale, and then pull the measuring tape over the hull to the center line thread at the 18 inch point.

启动过程中，按住布测磁带在零点在gunwale ，然后把测量磁带船体该中心的路线，线程在18点半英寸。

Based on the concept of zero-path tracking in homotopy which is generalized into minimum of energy function path tracking and considering that different homotopy path has greater impacts on convergence speed, a new method is put forward——the non-line homotopic BP algorithm.

本文在将同伦论中的零点路径跟踪概念推广到对多层前馈神经网络能量函数极小点路径跟踪的基础上，注意到不同的同伦路径对收敛速度的影响，提出了一种改进算法——非线性同伦BP算法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。