给出了年产量预测公式及瞬时产量与年产量相互换算的近似公式。
The prediction formula of yearly production and the approximation formula for reduction between the instantaneous production and yearly production are also presented.
引入正弦平方势，并在抛物线近似下解析地处理了沟道辐射的瞬时辐射强度和平均辐射强度。
The sine-squared potential is introduced in this paper, and the instantaneous intensity and the average intensity of the channeling radiation are obtained analytically.
膜面的风振动力效应并不显著，可以近似采用阵风系数来考虑脉动风的瞬时增压作用。
The dynamic effect of wind induced vibration is not outstanding, and the moment pressure enlarging effect of the fluctuation wind can be approximately considered by the gust factor.
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