We shall interrupt the history of projective geometry.

American mathematician noted for his work on projective geometry and topology.

不为射影改变的性质的几何学.

Lines are selected by neighborhood-rule or window-rule to compute projective invariants.

在所得直线族中按照邻近规则或者窗口规则挑选直线计算投影不变量.

The invariant tensor under projective transformations of semi-symmetric metric-recurrent connections is obtained.

给出了半对称度量循环联络在射影变换下的不变张量.

Connected graded algebra is the main object studied in noncommutative projective geometry.

连通分次代数是非交换射影几何主要研究的具体对象之一.

Sections ( especially sections with single cutting planes paralleling to principle projective planes ).

剖视图 ( 以单一剖切面、平行于基本投影面的剖视为主 ).

The synthetic geometers were developing projective geometry.

综合几何学家们在发展射影几何学.

Aim A projective digital lensometer is presented.

目的描述一种投影式数字焦度计.

For its striking advantage, optical plastic was used extensively in camera, disc, projector lens, spectacle etc.

由于光学塑料具有许多杰出的优点, 因而在照相机 、 光盘 、 投影镜头 、 眼镜方面获得了日益广泛的应用.

Arrange meeting rooms, keep & maintenance reserve office projector.

安排会议室, 维修 管理电话会议系统、放映机.

Would you buy a projector without FI, or an FI system you wouldn't want to use?

你会购买没有FI的投影机 吗 ?或者你会购买一台带有FI系统的投影机,但你却不会使用它?

The projector is subject to rejection and may ejected from the project.

这项目的策划人的计划被否决了,他有可能被排除出这个项目.

How long will it take to set up the projector?

把这个放映机安放好需要多长时间?

Currently, the leading dynamic infrared scene projection technologies are suspended membrane resistor and laser projector.

目前, 悬浮电阻阵列和激光阵列是最具有发展潜力的前沿技术.

A projector is applied to inspect the drill geometry and dimensional accuracy.

例如钻头的几何形状及尺寸精度是以精密投影机检验.

I do not deny that the projector be top quality.

我并不否认放映机质量上乘.

With the removal of the projector, the Paradise system fell apart.

发生器被移走后, 天堂星系解体了.

a slide projector

幻灯机

You gave me back the projector.

你将幻灯机还给我了。

Main features of GREEN SLIM PROJECTOR.

小井投影的绿色的主要特点.

I'm impressed with all the equipment the projector has.

我对放映机中的所有装置印象都很深.