这是众所周知，氢过氧化物是不稳定的和自发分解。
It is well known that hydroperoxides are unstable and decompose spontaneously.
将总红外辐射分解为自发辐射和反射辐射两部分，分别给出了计算自发辐射强度和反射辐射强度的计算式。
The total infrared radiation was divided into the spontaneous emission and the reflection radiation, and the formulas for spontaneous and reflection radiant intensity were given respectively.
经济生活的自发秩序（经营者自愿告知）可以部分解决信息不对称的问题，但难以全尽。
The spontaneous order in the economical activities can be of some help, but not totally, to solve the problem of asymmetrical information.
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