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- negative principal points 负主点, 对称点
- negative principal point 负主点,负主面点
- Those are the principal points I want to explain to everybody. 这些便是我要向大家解释的要点。
- 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。
- This paper summarized the types of EAP reactors and proposed some principal points in designing EAP reactors. 本文对当前电助光催化研究中采用的反应器的类型进行了综述,并提出电助光催化反应器设计的一些要点。
- Years ago, DNA typing achieved such wide acceptance and proven reliability that opponents now concentrate on two principal points of attack. 几年前，DNA鉴定赢得了广泛的接受并证实了它的可靠性，现在，反对者开始集中于两点进行攻击.
- In this paper, the principal points of diffculty for realizing high resolution and high accuracy DVM using dual slope technique are analyzed. 本文分析了双斜原理在实现高分辨率、高精度DVM中所存在的主要矛盾。
- With an analyse of principal points for mode selection of LRV in Wuhan, the author gives several schemes of mode selection and constructive proposals for Wuhan LRT Line 1. 摘要对武汉轻轨交通1号线车辆选型的基本要求进行了分析，提出了武汉轻轨车辆选型方案及建设性意见。
- The technology of exine-detached pollen in maize is introduced in this paper.And the technological process,technical principal points and quality require are also given. 介绍玉米花粉的破壁技术及以玉米花粉、百合为主要原料生产复合饮料的生产工艺和产品质量标准。
- That is, principal points for main pathology, accessory points for symptomatic treatment, which make principal and supplementary points functionize together. 即针对主病取主穴，兼证配对症穴、使主穴、配穴协同作用，加强疗效。
- By combining evolutionary optimization strategies to get the principal points of two cameras, the focal lengths and the external parameters can be computed from homography. 结合进化策略优化左右主像点，从单应性矩阵中获得测量系统的其他标定参数。
- The technology of exine-detached pollen in Robinia pseudoacacia is introduced in this paper. And the technological process, technical principal points and quality require are also given. 介绍洋槐花粉的破壁技术及以洋槐花粉为主要原料生产洋槐花粉口服液的生产工艺及产品质量标准。
- According to the properties of basic points of lens group and the varifocal principle of lens group,a varifocal optical system which has a fixed image space principal point has been designed. 根据透镜组基点性质和透镜组可变焦原理,设计定第二主点变焦光学系统。
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- Their criticism was not negative. 他们的批评并不是负面的。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
