2、[例句]so when crv first invested in yammer, was it mostly about david or the idea?
那么，crv最初投资yammer时主要考虑的因素是戴维，还是商业设想？
3、however, the differences of all traits investigated for economic yield between hybrid rice and crv were not significant under complete submergence at booting stage.
孕穗期淹涝胁迫后，杂交稻和常规稻之间产量及相关经济性状的差异均未达到显著水平。