陆相地层侧向加积作用广泛发育，导致岩性、岩相横向多变。
The extensive development of the lateral accretions of continental strata leads to the horizontal variation of lithologic character and lithologic facies.
顶板分流河道沉积作用以垂向加积作用为主，岩体演化具有较好的继承性；
In coal-seam roof, distributary channel sedimentations mostly are vertical accretion, and the continuity of sand body evolvement is well.
它同时也提供了一个概念，就是黑洞的确通过气体的加积作用增长了它们的体积。
And it supports the notion that black holes do in fact gain most of their bulk by accreting gas.
它同时也提供了一个概念，就是黑洞的确通过气体的加积作用增长了它们的体积。
And it supports the notion that black holes do in fact gain most of their bulk by accreting gas.
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