查询词典 primary and secondary

Boys coming from the upper classes are more often circumcised, 67% of 81 13-year-old boys entering a public school had been circumcised, whereas only 50% of 154 boys aged 5 to 14 in primary and secondary schools in the rural districts of Cambridgeshire, and 30% of 141 boys aged 5 to 11 in primary schools in the town of Cambridge, had been circumcised.

从上面的种类来的男孩经常是更多割除，67%81进入公众的13岁男孩学校被割除了，而仅仅50%154男孩变老514在里面主要并且中学在农村 Cambridgeshire 的区域，并且30%141男孩们变老了511在在剑桥的镇的小学，是割除。

When the secondary circuit is closed, both primary and secondary currents set up a flux in the core.

当次级电路接通时，初级电流和次级电流都在铁芯内建立了一个磁通量。

Textbooks are not only primary learning resources for the primary and secondary school stages, but also the main tools of teaching activities for teachers.

教科书不仅是中小学阶段学生最主要的学习资源，也是教师教学活动的主要依据。

The dam body construction working procedure relates the construction cost of dam The research indicated Counter-construction is good to the strain of CFRD The research indicated the distribution of primary and secondary stone body is important to cost of dam the secondary stone body relate with the strain of dan when dam withstand the pressure of water Work in this thesis will play a active role in the research on CFRD.

坝体的施工工序关系到大坝的施工成本和坝体变形状况，通过对面板堆石坝堆石体施工方法的探讨，得出反抬法施工对避免面板堆石坝不协调变形有积极作用。面板堆石坝的结构分区也是影响面板堆石坝工程造价的一个重要考虑因素，结构分区的重点研究是次堆石区的分布范围。结合水布垭面板堆石坝的研究表明次堆石区的材料对面板堆石坝蓄水有比较大的影响。

Both primary and secondary amines were readily aminolysized, but secondary amine gave relatively low yield. It appeared that the aminolysis had good selectivity since the intermediate Ⅲwas more readily attacked by N-nucleophiles than by 0- nucleophiles.

实验发现，芳香胺和非芳香胺均可获得良好的反应结果，但芳香胺所需的反应时间较长；伯胺和仲胺都是良好的胺解试剂，但使用仲胺时产率较低；N原子亲核试剂比O原子亲核试剂具有更大的反应性。

Fruit oblong-ellipsoid, slightly laterally compressed; primary and secondary ribs prominent, setulose; vittae 1 in each furrow under secondary ribs, 2 on commissure.

长圆状椭圆形的果，稍侧面压扁；主棱和次棱突出，具小刚毛；油管每棱槽1在次棱下面，在合生面上2。

Two soft X ray spectrometers are used to measure X ray spectra of primary and secondary disk respectively.The property that X ray spectra were modified on secondary disk is investigated.

测量结果表明：这种结构的双盘靶基本上能避免初级盘喷射等离子体的影响，初级盘后向辐射的X光谱具有明显的N和O带谱结构，而次级辐射的X光谱主要以O带为主。

Disparities in syphilis rates are also evident among gay and bisexual men. Of the 11,466 primary and secondary syphilis cases reported in 2007, men who have sex with men accounted for 65%, suggesting that increased transmission of syphilis among MSM is the primary driver of increased overall US rates. In MSM, syphilis can potentiate HIV transmission, and it has been associated with strokes and other irreversible complications, especially in those who are already infected with HIV. Annual or more frequent syphilis screening is recommended by the CDC for all MSM.

梅毒比率在同性恋和双性恋男性中也有差异，2007年的11，466例原发和次发梅毒案例中，男男性行为者占了65%，MSM者的梅毒比率增加是造成美国整体比率增加的主因；MSM者中，梅毒有潜在的HIV传染可能，且此病和中风与其他不可逆并发症有关，特别是那些已经感染HIV者；CDC建议所有MSM者应该每年或者更频繁的梅毒筛检。

The basic concept is combining metabolic pathways in different organisms on a genetic level. As a consequence heterologous organisms provide precursors from their own primary and secondary metabolism that are metabolised to the desired secondary product due to the expression of foreign genes.

组合生物合成是得到新颖天然产物的一种新型工具，并且可以用于生产稀有珍贵的天然产物，其基本概念是在基因水平上将不同有机体的代谢途径结合起来，从而使异源性生物通过外源基因的表达代谢出期望的次生代谢产物，然后从它们的主要代谢和次生代谢中得到想要的前体。

The legitimacy and necessity to limit the right to life of primary-and-middle school teachers in China during emergencies:The special responsibilities of primary and secondary school teachers and the state to provide special protection and special treatment to give it legitimacy,China's freq...

突发事件中限制中小学教师生命权在我国的正当性和必要性：中小学教师的特殊职责和国家为之提供的特殊保障和特殊待遇使之具有正当性；我国自然灾害频发、人口密度大等地理人文气候条件以及自古以来对教师有较高道德期待的历史文化传统因素使之具有必要性。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。