成因的

The ages of 42 to 48 Ma may be mixing ages. Finally the origin of zircons and rock － controlling mechanism are discussed.

最后对锆石的成因和花岗岩的成岩机制等进行了初步探讨。

The variations of helium isotopic ratios can be observed in these xenoliths andxenocrysts from different area, or even from same area, indicating that the xenocrysts didntdirectly crystallize from basaltic magma, and basaltic magma is not directly related to thesemantle lherzolites xenoliths.

提出幔源包体和高压巨晶的氦同位素组成均反映了其地幔源区的特征，与寄主玄武岩无必然成因联系。

According to the difference of the genetic mechanism, it is further divided into the slump turbidite fan and the deep-water turbidite fan for they have some differentces in seismic profile, depositional character and space distribution.

根据其成因机制上的差异，又可进一步分为滑塌浊积扇和深水浊积扇等两种沉积类型，二者在地震反射特征、沉积特征及空间展布上均有一定的差别。

The cultural ideology was related to these foctors, such as background of times he lived, the feelings of overseas Chinese, the educational background, the brain trusters of Zhang Zhidong, and his own nature and experiences and so on.

接着从时代背景、华侨情结、学理因素、幕府环境、个人性格与遭际等方面分析了辜氏文化观的成因，对他的文化观进行了详述。

It is the preconditicn of solving problem to understand the cause of the striations and its characteristics.

研究条纹放电的成因和特性是解决这一问题的先决条件。

These elements would beenriched in hot water deposit and normal marine deposit, forming preliminary source bed or ore bed.

确认该矿床属以沉积变质作用为主，又迭加了变质热液的多种成因为特征的层控矿床。

Based on the results, this paper analyzed the reasons by the numbers, put forward resolvents, and also discussed some problems on the ecological footprint analysis found during the calculation process.

在此基础上，系统地分析了其成因，提出了解决方案，并对计算过程中发现的生态足迹法存在的一些问题进行了讨论。

Petrologists,both at home and abroad have spent a lot of time on the classification of pyroclastic rocks, and suc_cessively put forward the classification of pyroclasts, the petrographic and the petrogenetic classification of pyroclasic rocks.

长期以来，火山碎屑岩的分类研究受到了国内外学者的重视，先后提出了火山碎屑物、火山碎屑岩岩性和火山碎屑岩成因分类。

Cui described Rao's action as belittling his field of plant anatomy because it was not a 'hot' area.

崔把饶的这些举措描述成因不是热门而轻视他从事的植物解剖学领域。

The paper introduces the control of camber in the construction of non prestressed continuous box beam, appearance and development of cracks of bottom plate of box beam.

介绍非预应力连续箱梁施工中预拱度的控制，以及箱梁底板裂缝的出现和开展，并分析其成因，从而确保箱梁施工质量满足设计和施工规范要求。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新