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今天是:

line focus是什么意思


中文翻译线状焦点

网络释义

1)line focus,线状焦点2)Shape of focus,焦点形状3)line focus,线焦点4)Focus(focal line),焦点(线)5)the focal point and the prefocal curve,焦点和焦前曲线6)focal points and directrix of conic,焦点和准线

用法例句

    actinic focus

    【物理】光化学线焦点

    concentrate rays of light into a focus

    把光线集中在焦点上

    "A convex lens causes rays to converge on a single point, the focal point."

    会聚透镜使光线会聚于一点,即焦点。

    The midpoint Between the foci is the center. One property of an ellipse is that the reflection off its Boundary of a line from one focus will pass through the other.

    焦点之间的中点为中心。椭圆的一个特性是:连自一个焦点的直线边界反折会通过另一个焦点。

    Analysis and Measurement of Spot Focusing Lens Antenna Resolution

    点聚焦透镜天线分辨率的分析与测量

    ② when , the horizontal projection curve of the intersection curve is the Cassini oval family which is confocal.

    ②当时,为共焦点的卡西尼卵形线族;

    The Research on the Generalized Elliptic Curve with Three Foci;

    “三焦点”广义椭圆曲线及其传动特性

    Research on the X-ray Imaging Based on Micor-Focus

    微焦点X射线源成像质量分析与研究

    The Research on the Generalized Elliptic Curve with Three Foci

    “三焦点”广义椭圆曲线及其传导特性

    Notice that in all cases, the rays either diverge from or converge toward the foci.

    注意在所有的情况下,光线不是从焦点发散就是会聚到焦点。

    A fixed point whose relationship with a directrix determines a conic section.

    焦点一个与准线的关系决定圆锥形状的定点

    Decision Theorems for the Center and Focus of a Class of Nonlinear Differential Equati ons

    一类非线性微分方程组的中心和焦点判定定理

    Design of a Control System of Compensation for the Focal Displacement of Feed of a 50m Antenna

    50米天线馈源焦点偏移补偿控制系统的设计

    Research on Meridian Lines Design for Progressive Addition Lenses

    渐进多焦点眼用镜片的子午线设计研究

    Of or relating to a focus.

    焦点的焦点的或与焦点有关的

    A Survey of Studies on Focus;

    焦点、焦点结构及焦点的性质研究综述

    Evaluation of Online Knowledge Communication Based on Focus Group

    基于焦点团体的在线知识交流评价——以在线参考咨询工具Wiki为例

    Focus-to-film distance(f.f.d)

    焦点-胶片距离(焦距)