主要原因

The LW series is new and its debut has been a success largely due to the LW40 model.

龙运系列的新亮相已取得成功的主要原因lw40模式。

2The mother cells of macrospore and microspore directly go mitosis by-passed meiosis to form normally fertility gametes.

分析其主要原因在于：①雌配子不育；②雄配子不育；③雌雄配子之间的亲和性障碍；④雌雄配子发育不同步；⑤单受精。

The main cause of low vision was macular edema.

导致低视力的主要原因是黄斑出血水肿。

Diabetic macular edema is the major cause of vision loss in patients with diabetic retinopathy.

糖尿病黄伴水肿是糖尿病视网膜病变患者视力丧失的主要原因。

Crystal mixture which includes magnesium phosphate were found in the pile of adding magnesium chloride.

添加镁盐的堆体中生成了含有磷酸镁的混合晶体，这可能是易溶解态磷比例减少的主要原因。

In the transformer differential protection, it is a congenital and difficult problem that cant be avoided how to distinguish the magnetizing inrush current with the internal fault current. It has become the focus studied for many years. The existing transformer protection principles all have certain defects and the main reason lies in inadequate understand of the transformer fault mechanism.

在变压器差动保护中，如何区分励磁涌流与内部故障电流是一个先天性的、不可回避的难题，多年来一直成为研究的热点，而且现有的变压器保护原理也都存在一定的缺陷，其主要原因在于对变压器内部故障的机理认识不够。

False starts in foreign languages are one of the main reasons college can drag on for more than four years.

学外语时，错误的开始，是在大学里将其拖上4年多的主要原因之一。

Impact, as is currently the largest investment destination for QDII of the Hong Kong stock market performance even worse, it has become QDII net drag the main reason.

影响，是目前香港股市的表现QDII的最大的投资目的地，更糟糕的是，它已成为拖累QDII的主要原因。

And drag the main reason for the profit is also reduced brokerage business transactions, and its third-quarter brokerage revenue fell 64.8 percent, to 1.3 billion.

并拖动的主要原因是利润也降低经纪业务的交易，其第三季度的经纪收入下降了百分之64.8，至13亿美元。

In addition, we hold the main reason why labor quality changes in values cultivated gradually by education.

但本文认为劳动力质量改变的主要原因是教育所培养的价值观。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。