的阶梯式增长服从一个精确的隙距方程，该方程有精确解。
Thestaircase-like increasing off(s) obeys an exact differential gap equation, which can be solved analytically.
探索了用地层倾角、长源距声波、电阻率、三孔隙度及蚀变系数识别储集空间类型以及对储层分类的方法；
The methods to identify the types of reservoir by using such parameters as dipmeter, long space sonic, resistivity, porosity and alteration factor are studied.
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