直线的线的

In order to prevent all kinds of radiation produced by electron linear accelerator from bringing about harmful effect on creatures,we adopt some measures to shield bremsstrahlung X-rays and photoneutron in the design of accelerator.

为防止电子直线加速器产生的各种辐射所造成的有害生物效应，加速器实验室应采用一系列措施，对韧致辐射 x 线及光中子进行屏蔽防护。

It was upon this principle that the first instruments were made, but while the drum was being shaken, the line that the pen was drawing wriggled from side to side.

只要一切都是静止的，笔就会划出一条直线；但是，圆筒受到震动，笔所画出的线就会就会左右摆动。

As long as all was still, the pen drew a straight line, but while the drum was being shaken, the line that the pen was drawing wriggled from side to side.

只要一切都是静止的，笔就会划出一条直线；但是，圆筒受到震动，笔所画出的线就会左右摆动。

Trend is the direction of the horizontal projection of a line, measured clockwise from north.

线倾向：它是直线水平投影的方向，自正北顺时针度量。

Construct an animation displaying a nephroid sliding along three fixed concurrent lines meeting at 120 degrees.

建构一动态绘图。展示肾脏线的滚动，沿著共点及间隔120度的三条直线。

Not in a straight line.a line generated by a point on a circle rolling along a straight line.

一个圆上的某个点在该圆顺着一条直线旋转时形成的线。

A line generated by a point on a circle rolling along a straight line .

一个圆上的某个点在该圆顺着一条直线旋转时形成的线。

In order to store and dispose of these kinds of curves, we present the concepts of convex rate and polyline to describe line segments and arcs by the same format.

为了便于计算机存储和处理，给出了直线和圆弧的统一表示形式，并在此基础上给出了多义线的定义与存储结构。

The midline deviations were measured. Results The middle line through ANS and perpendicular to zygomaticofrontal line has less mean of middle structure index and side middle structure index.

结果 以过ANS点垂直于两侧颧额点连线的直线为面中线，其正中结构指数和侧方结构指数均值较小。

Based on the optoelectronic inspecting technology, the chinks between knife edge and the generatrices of measured part were measured by the laser scanned inspecting system and using the rotating and axial feed servo systems, and the non contact automatic measurement of straightness error was realized.

基于光电检测技术，利用回转和轴向进给伺服系统，通过激光扫描检测系统测量刀口尺与被测零件素线之间的间隙，实现了对直线度误差的非接触自动测量。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新