查询词典 secondary

However, todays primary and secondary choral teaching has not been perfect.

但是，当今的中小学合唱教学却没有得到完善的发展。

The two areas of primary and secondary schools on choral teaching.

本文就两方面来谈下中小学合唱教学。

Results1. The majority of patients with CNV were secondary to exudative AMD (69.10%); the minority was associated with CEC (17.60%), pathologic myopia (8.15%), choroiditis (3.86%), choroidal rupture (0.86%) and angiod streaks (0.43%) in descending order.

渗出型AMD患眼的PED裂孔最多见于PED的边缘(69.12%)，有裂孔发生的PED的角度和高度显著大于无裂孔者，而且以裂孔发生在边缘的PED的角度和高度更大。

If there is a value of chromatic aberration in each group, and a certain relationship between the positive or negative sign of chromatic aberration and the selection of glasses, the secondary spectrum of the whole lens system can be reduced to any small value.

从理论上讲，如果使每一组元产生一定量的色差，并使色差的正或负与玻璃的选择满足一定的关系，则整个透镜系统的二级光谱可减小到任意值。

The resulting residual chromatism is known as secondary spectrum.

所得到的剩余色差叫做二次光谱。

Both methods could decrease the secondary spectrum while chromatism had compensated well.

两种方法都能在校正色差的基础上一定程度地减小二级光谱。

Correction of secondary spectrum with intrinsic chromatism［J］.

史光辉。利用本证色差校正二级光谱［J］。

This study aimed at the problem of low content of protein in plant tissue, low solubility of some components in amphoteric electrolytes and the disturbance of secondary metabolites such as chromatophore, phenols and quinones to the separation of two-dimensional electrophoresis.

针对植物组织蛋白质含量较低，有些组分在两性电解质中的溶解性低以及绿色组织中的色素、酚类、醌类等次生代谢产物干扰蛋白质双向电泳分离效果的问题，以玉米苗期叶片为材料，对蛋白质裂解液、蛋白质浓度测定体系、等电聚集电泳电压和时间、聚丙烯酰胺凝胶浓度等技术参数做了改进。

Compared with ferrous sulfate deoxidization method, lead chrome yellow production technology was fitter to the production requirements of enterprises. It not only treated the pollution of heavy metals, but also it reclaimed and utilized lead and chrome resources, and it reduced or avoided the secondary pollution, which could gain good economic benefit and social benefit.

铅铬黄生产工艺与硫酸亚铁还原法相比更适合企业的生产需要，不仅治理了重金属污染，同时回收到利用了铅、铬资源，减免了二次污染，取得了良好的经济效益和社会效益。

Even though they are only in secondary school, the group led by a researcher from Italy has a thorough understanding of the impact of magnetic fields in the chromosphere.

虽然他们只是中学生，由一名义大利研究员带领的这群人，非常了解磁场对色球层的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。