an incident wavefront of light makes an angle of 60°with the surface of a pool of water. 一束入射光的波前和水塘表面成60角。
He started as they passed the angle of the trenchit looked like a colossal grave . 他们走过壕沟的转角的时候，他吓了一跳它像一个巨大的墓穴。
Basom observed the contact angle of water against silane-treated e glass to be about 1. 2 rad . 巴索母观察到水对硅烷处理的E玻璃接触角大约是12弧度。
The conventional tail must be at a negative angle of attack, and the canard tail at a positive angle . 通常的尾翼必须处于负迎角，而鸭式尾翼则为正迎角。
Both the sideslip angl e and the rudder angle are seen to be very much dependent on the angle of climb . 人们可以看到，侧滑角和方向舵偏角都在很大程度上依赖于爬升角。
Beginning at the angle of the rhine near lauterbourg, we traversed the whole sector to the swiss frontier, 从劳特堡附近来因河的拐角那里起，我们遍历全部防区，直达瑞士的边境。
The clump of laurel in which the criminal lay was in the angle of a road which went zigzagging downward through the forest . 罪犯所躺的月桂树丛位于一条蜿蜒穿过树林的道路的拐弯处。
This effect is because the iris, crawled back into the angle of the anterior chamber of the eye, interferes with drainage of aqueous humor . 这是因为虹膜退缩在眼前房内，妨碍了房水的引流。
If a bay is inclined to the general line of the base at an angle of 10 mm in 24m, the error will be 0. 1 ppm . 如果一个尺段偏离基线总方向的角度相应于24米距离上的10毫米，则误差为0110-6。
For many given initial velocity, there is one particular angle of departure for which the horizontal range is a maximum . 对于任一给定的初速度，有一特殊的发射角，以此角度发射，水平射程最大。
