查询词典 marginal contribution

We have all encountered putting surfaces that are marginal, and probably even unplayable, but those are the exception rather than the rule.

我们都遇到过苍白的果岭，很可能都没什么意思，但这都是些例外而不是常规。

Timothy Bartik of the Upjohn Institute, a regional think-tank, recommends more staid ways of improving Michigan's labour market, such as investing in universal pre-kindergarten, or boosting business by cutting the marginal tax rate for firms that expand.

当地智库普强研究所的蒂莫西·鲍尔蒂克推荐了一些改善密歇根劳动力市场的更可靠途径，如向全体"幼小企业"投资，或通过削减正在扩张的公司的边际税率推动业务发展。

And sediment of variegation sand-mudstone and gray-black carbonaceous-mudstone and thin coal layer of fluvial-plain marsh facies only grow on marginal slope of different stage basins.

仅在不同期次盆地的边缘斜坡带上发育河流—平原沼泽相的杂色砂泥岩夹灰黑色炭质泥岩、薄煤层沉积。

Like Roosevelt, the optimistic, politically and media-adept Reagan remade the political landscape. The Democrats, now just as resentful as the Republicans in the New Deal era, offered only warmed-over liberalism as an alternative. Walter Mondale, Reagan's opponent in 1984, famously said,"Mr. Reagan will raise taxes, and so will I. He won't tell you. I just did." Mondale lost 49 states. Reagan went on to cut marginal tax rates yet again.

像罗斯福一样，乐观有政治才华，适应媒体的里根总统重塑了美国政治版图，民主党不仅仅怨恨共和党的新政在84年竞争对手提供一个温和的自由主义人士沃特蒙代尔竞选，并且留下名言说道里根总统增税我也增，他不会告诉我他仅仅这样做，蒙代尔失去了49个州的票，里根总统继续削减税率。

Major topics covered are: basic concepts of probability, sample space and events, axioms of probability, random variables, discrete and continuous distributions, joint and marginal distributions, numerical characteristic for random variables, the weak law of large numbers, central limit theorem, basic concepts of statistics, parameter estimate, hypothesis testing and regression analysis.

本课程的基本内容有：随机事件及其概率、随机变量及其分布、多维随机变量及其分布、随机变量的数字特征、大数定律与极限定理、数理统计的基础知识、参数估计、假设检验、回归分析。

Objective: To explore the infusion of intermittent hypoxia on p38MAPK and ultrastructure changes in marginal striatum of weanling rats and the intervention effects of apigenin.

目的：研究间歇低氧对幼鼠纹状体边缘区p38MAPK及超微结构的影响及芹菜素的干预作用。

South China Sea, which is one of the largest marginal sea of west Pacific Ocean, is a hot research point in the world for its special location of structure and abundant hydrocarbon resources.

南海是西太平洋最大的边缘海之一，因其特殊的构造位置及丰富的油气资源而成为世界各国学者研究的热点。

It not only is a vivid narrative story about the surprising and adventuring life of Robinson, but also has the theme of colonism is represented on a series of binary oppositional colonial discourses: the colonial country and the colony, master and slave, the white and the colored, central culture and marginal culture, civilization and savageness, Christianity and cannibals and all that.

它不仅生动地讲述了小说主人公鲁滨逊开拓荒岛的详细过程，也描绘了他驯服改造原始部族人"星期五"的手段和策略。

It not only is a vivid narrative story about the surprising and adventuring life of Robinson, but also has the theme of colonism which is represented on a series of binary oppositional colonial discourses: the colonial country and the colony, master and slave, the white and the colored, central culture and marginal culture, civilization and savageness, Christianity and cannibals and all that.

它不仅生动地讲述了小说主人公鲁滨逊开拓荒岛的详细过程，也描绘了他驯服改造原始部族人"星期五"的手段和策略。

We generally and I think rightly applaud the substitution of workfare for welfare, because welfare promotes dependency by taxing work heavily--if welfare is cut off when the recipient's income reaches, say,$20,000 a year, so that if he was receiving welfare payments in cash or kind worth $2,000 an increase in his income to $23,000 will net him only $1,000 ($23,000 -$2,000 =$1,000), this means that his marginal income tax rate is .67--a potent discouragement to working.

我们大都赞成用工作福利（按：领取福利金的失业者要参与公益活动等工作）来取代社会保障福利，我认为这是理所应当的，因为社会保障福利制度对参加劳动课以重税而徒增加了人们对社会救助的依赖性——如果一个领着社会保障金的人收入达到

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。