- 推荐网络例句
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This study adopts Cooper's (1988)"predevelopment"model consisting of idea generation, product definition and project evaluation stages, and probes the activities undertaken in each stage.
本研究采用Cooper学者所提出的前发展阶段活动模式,包括:创意产生、产品定义以及专案评估,做为研发前端运作方式的探讨,并以个案研究法,了解研发前端的实际运作
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But the crossing combination of Asiatic hybrids ×Oriental hybrids and Longiflorum hybrids ×Oriental hybrids were not easy to success, there were two reasons: one was male parent was unfit for female parent, the other was cut-style pollination was unfit for these crossing combination, must used another method of pollination to try it again.
以亚洲百合为母本、东方百合为父本的杂交组合和以麝香百合为母本、东方百合为父本的杂交组合,座果率极低,推测有两种可能的原因:一是,所选父本的花粉对母本的亲合性较差;二是,切割柱头授粉的方法不适合于这些组合,应进行其它授粉方法的试验。
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The date on which the principal is required to be repaid is called the maturity date;-if the bond is secured by a collateral.
到期日。债券发出机构将在这一天付还面值的金额。