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- heliostat with polar axis 极轴式定日镜
- tracking method with polar axis 极轴跟踪方式
- Berlin zoo employee Thomas Doerflein plays with polar bear cub Knut. 饲养员托马斯·多非恩在和克纳特在一起玩耍。
- The alignment of the polar axis and the monitoring of the guiding process require absolute accuracy. 极轴的摆放及追踪过程必须十分准确。
- Because of its oblate shape, the moment of inertia of the earth is a maximum about the polar axis and minimum about an axis in the equatorial plane. 由于地球是扁球体，绕极轴惯量矩最大，而绕在赤道面内的轴的惯量矩最
- You can feel what it is like to live in space, walk on the ocean floor or ski with polar bears at North Pole. 你可以感觉到如同居住在太空、在海底行走或在北极和北极熊一同滑雪那样的情况。
- A system of coordinates in which a point is located by its distance and direction (angle) from a fixed point on a reference line (called the polar axis). 一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
- You can feel what it is like to live in space, walk on the ocean floor or ski with polar bears at the North Pole. 你能够体验生活在太空里，行走在海洋底，在北极与北极熊一起滑雪的滋味。
- Based on the characteristic of ESG polar axis stabilizing in inertial space, the principle of ESG strapdown system attitude initial alignment using astronavigation algorithm is discussed in this paper. 由于极轴在惯性空间稳定的特点使静电陀螺捷联系统在姿态初始对准时可应用天文导航原理。
- These material periodicity regular movements and so on convection as well as Earth polar axis rotation are possibly the basic source powers which the terrestrial magnetic field produces. 这些对流以及地球极轴自转等物质周期性规律性运动可能是地球磁场产生的根本源动力。
- The variations of the ratio between stomatal polar axis and outer stomatal ledge aperture, as well as leaf indumentum of Lasianthus species are well correspondent to their habitats. 粗叶木属植物叶气孔长轴径／径轴变化幅度比较大以及叶表皮上的毛被多样化均能反映其对生态环境的适应变化。
- The firemen splintered the door with an ax. 消防队员们用斧头将门砸开。
- The amyloid stains orange-red, but with polarized light, the amyloid has an "apple-green" birefringence as seen here. 淀粉样物质经染色后应为橙红色，但是在偏振光下，淀粉样物质如图所示为“苹果绿”双折射。
- Oxidation of soils by bleaches can break down large molecules into smaller segments with polar sites. 关于漂白对污垢的氧化作用，使其大分子裂解为带极性基因的短链段。
- The man cleft a block of wood in two with an ax. 那人用斧头把一块木头劈成两半。
- Sidereal Polar Axis Celestial Equipment 恒星极线轴太空设备
- I am a hundred percent in agreement with you. 我百分之百同意你的看法。
- Don't let your temper run away with you. 要控制住自己，不要发脾气。
- In the applications of polarization maintaining fiber (PMF), the precision alignmet of the polarization axis of PMF is one of the key technologies. 在制作保偏光纤器件时，一项关键的技术就是要能精确地确定保偏光纤的偏振轴。
- Berlin zoo employee Thomas Doerflein plays with polar bear cub Knut in this undated picture, released on January 24, 2007. 德国柏林动物园员工汤马士．多俄福林和小北极熊克纳特玩耍。
