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- effective relative aperture 有效f数
- Testing of paraboloid mirror with super relative aperture using compensator[J]. 引用该论文 胡明勇;刘文清;张权;江庆伍.
- In the meantime, we analyse the main factors that is focus, relative aperture and image illuminance affect lens image quality and their relations. 同时,着眼于成像系统的分辨率,我们分析了包括焦距、相对孔径、像面照度等影响镜头成像质量的主要因素及其相互之间的关系;
- The enlargement of FOV and the relative aperture is the key measure to improve the performance of underwater photographic objective under weak illumination. 增大视场角和相对孔径是提高水下微光摄影物镜性能的重要手段。
- Research results show that the relative aperture of optical lens,the incline and defocusing of reflection plane in TV seeker optical system reduce the intensity of the "cat s eye" reflection. 以电视导引头光学系统为例,运用矩阵光学追迹法对影响“猫眼效应”回波强度的因素进行了定性和定量的分析。
- object lens of large relative aperture 大相对孔径(摄影)物镜
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- Besides, because this kind of fabric has character soft, frivolous wait for a characteristic, because this is pensile on the window the effect relatively beautiful. 况且，由于这类织物具有质地柔软、轻薄等特点，因此悬挂于窗户之上效果较佳。
- Diffractive Optical Elements Used in High Relative Aperture Infrared Lenses 用于大相对孔径红外镜头的衍射光学元件
- Removed afore-mentioned causes, each big Internet company behaves Zai of Olympic Games effect relatively for apparent, outstanding is advertisement advocate sale charge quickness is climbed litre. 除了上述原因，奥运效应在各大互联网公司表现较为明显，突出的一点就是广告主营销费用急速攀升。
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- Testing of paraboloid mirror with super relative aperture using compensator 超大相对孔径抛物面反射镜的补偿检验
- When does the new system become effective? 新制度何时生效？
- The fear of ridicule is a very effective sanction. 人们不做违法乱纪的事，其中一个重要因素就是怕人耻笑。
- Effective, punitive, or destructive action. 有效的行为有效的、惩罚的或破坏性的行为
- Reconstruction of diffraction degradation image for smaller relative aperture maging system 小孔径成像系统衍射退化图像恢复
- So that is your effective remedy. 原来那就是你们所谓的有效药物。
- I think you'll have to take effective steps. 我认为你得采取有效措施。
- Gentle persuasion is more effective than force. 温和的说服胜於压服。
- This country lacks an effective party of the centre. 这个国家缺少一个能起作用的中立党派。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
