obscuration造句

• In many cases, owning to obscuration by the dust, the properties of the central star are uncertain or impossible to determine .
  在许多情形下，由于尘埃的遮挡，中央星的性质是不确切或不可能确定的。
• Obscuration - type photoelectric smoke detector
  减光型光电感烟探测器
• Deal with the causes of obscuration , not with the sun
  （比如眼翳）需要治理的是障碍的成因，而非太阳。
• Fire hazard testing - part 6 - 1 : smoke obscuration - general guidance
  着火危险试验.第6 - 1部分:烟雾遮蔽性.一般指南
• 10 . 02 test method for smoke obscuration caused by burning cables in a vertical configuration
  在立式电缆槽中燃烧电缆引起的烟雾遮避性的试验方法
• Fire hazard testing - part 6 - 2 : smoke obscuration ; summary and relevance of test methods
  火灾试验.第6 - 2部分:烟雾不透明度.试验方法的概要及其相关方面
• Occultation complete or partial obscuration of an astronomical object by the moon or a planet
  月球和行星运行时，完全或部分掩蔽背景天体的现象，称为掩星。
• Methods for determination of particle size distribution - recommendations for the filter blockage method mesh obscuration
  粒度分布测定法.第9部分:过滤器阻塞
• Test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber
  密闭单燃烧室中使用锥形辐射源测量烟雾昏暗度的试验方法
• Fire hazard testing - part 6 - 1 : smoke obscuration - general guidance iec 60695 - 6 - 1 : 2005 ; german version en 60695 - 6 - 1 : 2005
  火灾试验.第6 - 1部分:烟雾遮蔽性.一般指南
• Determination of particle size distribution of yttrium oxide and europium oxide by sedimentation and light obscuration method
  氧化钇氧化铕粒度分布测定光透沉降法
• Test method for measurement of smoke obscuration using in a single closed chamber , with the test specimen oriented horizontally
  在单闭室中利用水平试样测量烟雾昏暗度的试验方法
• Standard practice on specimen preparation and mounting for pipe and duct insulation for flame spread and smoke obscuration
  防火焰扩散和隔烟管道和导管隔离层的安装和样品制备的标准实施规范
• Environmental testing - electrotechnical products - fire hazard testing - smoke obscuration - small scale static method - materials
  环境试验.电工产品.着火危险试验.烟雾遮蔽.小规模静态法.材料
• It ’ s very important to establish the obscuration ’ s model and analyze its influence to the laser propagation
  因此建立散射点的模型,分析散射点对光传输的影响对于建设高功率固体激光装置具有非常积极的意义。
• Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber , with the test specimen oriented horizontally
  使用锥形放射源在有水平放置试样的单一密闭室内测量烟雾蒙胧性的标准试验方法
• Standard test method for smoke obscuration of insulating materials contained in electrical or optical fiber cables when burning in a vertical cable tray configuration
  电缆或光缆中绝缘材料在立式电缆槽结构中燃烧时的烟雾遮蔽性标准试验方法
• The effect of obscuration can ’ t be ignored in the high - power solid laser equipment , and we have found the destruct of obscuration to the actual equipment
  高功率固体激光装置中散射点的影响不可忽略,在实际的装置中已经看到由散射点引起的破坏。
• The principal work is as follows : ( 1 ) we use the matlab software to establish the obscuration ’ s model through analyzing the character of obscuration on the actual optical component
  论文的主要内容为:一、通过对实际光学元件上散射点的特征加以分析和统计,用matlab建立了符合实际所需的散射点模型。
• Standard test method for heat release , flame spread , smoke obscuration , and mass loss testing of insulating materials contained in electrical or optical fiber cables when burning in a vertical cable tray configuration
  电缆或光缆绝缘材料在立式电缆槽装置中燃烧时热发散火焰传播烟的昏暗度和质量损失测试的标准试验方法