According to a series of tentative surveys and statistics, I define the standard volume of new words and its evolutionary process.
在初步调查统计的基础上，确定教材的基准生词量和渐进方式，以平均生词量作为对基准生词量的调整。
2
This paper makes a tentative inquiry into the choice of standard and method about the improved strains of Tung tree and knows the proportion each property accounts for.