主要

The major metallic minerals and also the major gold carrier minerals are arsenopyrite and pyrite. The nonmetallic minerals are quartz and carbonate mineral.

主要的金属矿物为毒砂、黄铁矿，同时也是主要的载金矿物；非金属矿物为石英、碳酸盐矿物。

The major metallic minerals and also the major Gold carrier minerals are pyrite and arsenopyrite. The nonmetallic minerals arc quartz and carbonate mineral.

主要金属矿物为黄铁矿、毒砂，同时也是主要的载金矿物；非金属矿物为石英、碳酸盐矿物。

The results showed the characteristics of Artemia strain were not changed from 2000 to 2002, which is not the factor caused the decline of the cyst production; however, serious deficiency of nitrogen and phosphorus in the ponds was the main factor, which result in the decline of the cyst production year by year.

实验结果表明：卤虫的品系特性2年内未有变化，不是造成卤虫卵产量下降的主要因素；池子中氮、磷营养的缺乏才是卤虫卵产量下降的主要原因。

Background— Arterial hypertension is one of the major diseases in industrial countries and a major cause of mortality.

背景——高血压病在工业化国家是主要疾病之一，而且也是引起死亡的主要病因之一。

The coronary artery disease is one of the most frequent causes of morbidity and mortality in modernized society.

冠心病是威胁人类健康的主要疾病，是人口死亡的主要原因之一，人们对冠心病的病因学进行了长期的研究。

This course introduces the fundamentals of articulatory and acoustic phonetics as well as the basic concepts and major theories of modern phonology.

本课程以英语为主要分析对象，并结合其他语言，介绍现代语音学和音系学的基本概念、主要理论及研究方法。

The Ed1 sequence develops ascending and falling cycle in this area; the Ed2 sequence mainly develop the falling cycle; and Ed3 sequence develops ascending and falling cycle; the Ed4 sequence mainly develop the ascending cycle.

其中，Ed1层序在全区呈对称分布；Ed2层序主要发育下降半旋回；Ed3层序旋回对称明显，全区均有分布；Ed4层序在研究区内主要发育上升半旋回。

The internal cause includes polarity variation , inbred variation , instability of hybridization and gene mutation . The external cause includes unfitting culture conditions , strain ag ing , unsuitable preservation and infection virus of asexuality propagation .

内因主要包括极性发生变异，自交产生的变异，杂交种性不稳定和基因突变；外因主要包括培养条件不适宜，菌种老化，菌种保藏不当和菌株无性繁殖体感染病毒。

This paper mainly study on the algorithm of the evaluation and recognition of the highway asphaltum pavement crack, and mainly concentrate on the crack image processing and the recognition of the crack type.

本文主要是对公路路面裂缝的识别与检测算法进行原理性的研究，主要集中于裂缝图像的处理以及裂缝类型的识别两个方面。

After the assuredness of the dopant and the depth of the layers, associating the chief technology directive, the structural parameters of the device are obtained and theoretically checked.

确定了各层结构的掺杂浓度和厚度后，结合主要技术指标得出了器件的结构参数，并对主要参数进行了理论核算。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。