A government study recommended a national highway system of 33,920 miles, and Congress passed the Federal-Aid Highway Act of 1944, which called for strict, centrally-controlled design criteria.
一项政府研究建议建设一个33,920英里的全国公路系统，国会通过了1944年的《联邦援助公路法案》，该法案要求制定严格的、集中管控的设计标准。
Bookmark some for later and more in-depth study and explore every aspect of the design and the code behind the site.
给一些标注上书签以备后用，然后深入研究和探索设计的各个方面和网站背后的代码。
Or the finding may be due to the study design; parents answered surveys for their children, and the parents of sick children may keep closer tabs on what their children ate.
维斯研究员推测，有可能生病的孩子对“危险”食物并不排斥，或者发现与调查设计有关，由于孩子的父母代替孩子回答调查问题，或者父母密切关注他们的饮食。
应用推荐