The causes are the non-parametric parts of semi-parametric model make some adjustment and thus to cut down on the errors of the model.
究其原因，半参数模型的非参数分量起到了调整作用，降低了模型估计误差。Performance simulation shows that this scheme can efficiently decrease blocking probability and improve system performance.
仿真结果表明，该方案可有效降低呼叫阻塞率，改善系统性能。This could seriously diminish the chances of a significant deficit reduction deal to be reached over the next two weeks.
如此一来，未来两周内两党达成重大减赤协议的可能性会大大降低。The various accounting bodies are trying to placate the politicians while avoiding watering down standards too much.
各家会计事务所正在一面尽力使政客们安心，同时避免过度降低标准。please reduce the height of the floor correspondingly to the children's growing up for ensuring their safe.
请根据孩子的年龄增长，相应降低地板的高度，以免小孩受到伤害；Some of the issues are hold over from his first term, trying to lower the country's debt, working on immigration reform .
有些问题来自于他的第一个任期，比如试图降低该国的债务，致力于移民改革等。The recent easing in prices seems to be a good thing: cheaper oil reduces inflation.
油价近来的回落似乎是件好事：油价下跌能降低通胀水平。You will be surprised how much the size of your structures and classes can be reduced if you pay attention.
如果您予以关注的话，您会对结构和类的大小可以降低的幅度感到惊讶。It said the Arctic Sea ice dropped to its second-lowest level during the melt season since satellite measurements began in 1979.
该报告说，自1979年有人造卫星开始测量以来，北冰洋的海平面在其融化季节里降低到第二个最低点。