New technology for lightweight large primary mirror of theodolite;
经纬仪主镜轻量化新方法
Optimum method of backside support position for large-aperture primary mirror with flat rear surface;
大口径平背形主镜背部支撑位置优化计算方法
Optimize and redesign the primary mirror supporting system of space solar telescope;
空间太阳望远镜主镜支撑结构的优化设计
High biomass product condition of high quality monascus pigment;
优质红曲色素高生物量生产的条件探讨
Anniversary management practices of producing high quality Ralls apple;
优质小国光苹果生产周年管理作业历的研究
The Primer Report on Quality Regionalization of Super Quality Wheat’s Specification in Zhumadian City;
驻马店市优质专用小麦品质区化研究初报
The breeding and application of Linghong A of an early indica rice s male sterile line that has many spike, big spike and quality traits;
早籼多穗大穗优质不育系灵红A的选育及应用
Study on Breeding of "Ganwanxian 33" ——a Red Quality Late Indica Rice Variety;
优质红米晚籼稻"赣晚籼33号"的选育研究
Mounting System of the Primary Mirror of the 1.2m Alt-Az Telescope
1.2米地平式望远镜主镜的支承装置
Cophasing Methods of Segmented Space Telescope
空间拼接主镜望远镜共相位检测方法
a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror.
具有抛物面主镜和双曲面次镜的一种折射式望远镜；光线被集中到主镜中心的孔径。
Modeling of Segmented Primary Mirror Surface Control System for Space-based Telescope
空间望远镜分块式主镜面形控制系统建模
Study on the Principle and Experiment of the Holographic Correction of Aberrated Primary Mirror;
全息校正望远镜主镜像差的机理及实验研究
A Testing Method Design for a Large F-Number Primary Mirror under Cryogenic Environment
大口径反射主镜的低温检测方法设计
The important thing to know that it has an axis of symmetry - the optical axis.
重点是知道主镜有一个对称轴——光轴。
The application of APDL and UIDL in the primary mirror support optimization
APDL和UIDL在主镜支撑优化中的应用
Lightweight Design and Study of Primary Mirror for a Theodolite
某光电经纬仪主镜轻量化设计与研究
Lightweight design and analysis of a 1.2m SiC primary mirror
1.2m SiC主镜轻量化设计与分析
Our major products include sunglasses, swimming goggles, spectacle cases, arts and crafts like sailing boat and etc.
主要产品有太阳镜、游泳镜、眼镜盒、帆船工艺品等。
The principal points of a thin lens coincide at the center of the lens.
薄透镜的两个主点与透镜中心相重合。
The mirror told her that Snow White was much more beautiful.
魔镜告诉她说白雪公主漂亮多了。
because its main mirror was faulty!
因为它的主要镜子有误差。
Focal length: The distance between the centre of a lens and its principal focus.
焦距:镜头中心与其主焦点的距离。
image is viewed through an eyepiece perpendicular to main axis.
通过垂直于主轴的目镜观察物体。
Analysis on the Reports of Computer Optometry and Subjective Trial of Lens
电脑验光与主觉试镜验光结果分析
The shopkeeper showed him a round mirror and said to him laughing,
店主拿来一面圆镜给他看并笑着说：