n.临界角

n.[物][航]临界角（物理，航空）

critical angles───n.[物][航]临界角（物理，航空）

critical role───关键角色；关键作用

vertical angle───直角；高度角；[数]对顶角

vertical angles───对顶角；对等角

central angle───[数]圆心角

critical issue───关键问题；重要的问题

critical phase───临界相

it's past the critical angle; the angle is smaller.───它超过了临界角;,角度变小。

At all angles less than the critical Angle, both reflection and refraction occur.───对于所有小于临界角的入射角，则既发生反射，又发生折射。

but remember, we set it at the critical angle, so that cotangent alpha is 2 mu.───但是记住，摆放的恰是临界角，所以cotα等于2μ

Reflection, refraction, Snell's law, critical angle , Brewster's angle, reflection and transmission coeffs.───2反射, 折射, 司涅尔定律, 极限角, 全反射角, 反射与穿透的交互作用.

At all angles less than the critical angle, Both reflection and refraction occur.───的入射角, 则既发生反射,又发生折射.

It occurs when angle of incidence is greater than a certain limiting angle, called critical angle.───当入射角大于某个称作临界角的极限角时, 便发生全内反射.

At all angles than the critical angle, Both reflection and refraction occur.───对于所有小于临界角的入射角, 则既发生反射,又发生折射.

In dynamic analysis of complicated structure, critical angle of seismic wave is corresponding to critical response of structure.

The theoretical formula for calculating critical angle of cutting loess slope is derived based on Gradient current theory.

Influence of guide position, length, cross section and critical angle multiplier on neutron intensity, divergence, spectrum and uniformity at the exit of guide was investigated.

So it's past the critical angle; the angle is smaller.

In addition, critical angle method is introduced for automatic focusing.

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Reflection, refraction, Snell's law, critical angle , Brewster's angle, reflection and transmission coeffs.

The experiment came into use single light path critical angle method, output signals were detected by four-quadrant receiver, micro-displacement drive element were piezoelectric ceramics.

At all angles less than the critical angle, both reflection and refraction occur.