Sale of goods or taxable services by small-scal e taxpayers.
小规模纳税人销售货物或者应税劳务的。
Ruled by scal-shifting Mercury, Virgo stays exert to stability.
在流动的水星控制下，处女座需求努力才能获得稳定。
First, the present full-scal concepts, theories and models of metapopulation were analyzed and summarized;
本文首先对复合种群的已有概念、理论和模型做了全面的分析和总结；
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