The thin sand bed is composed of tight mixed type cementation facies and untight mixed type cementation facies. 其中,薄砂層由致密混合型膠結(jié)相和非致密混合型膠結(jié)相組成;
The causes why rural credit cooperatives are in the predicament are various, but to rural credit cooperative themselves, untight internal control is an important reason. 導(dǎo)致農(nóng)村信用社經(jīng)營處于困境的因素是多方面的,但就信用社自身來說,內(nèi)部控制不嚴是一個重要的原因。