The ratio of pupils to teachers was 30 to 1.

学老师比率是30比1。

Water and alcohol may mingle with each other in any proportions.

水酒精可按任何比率互相混合。

When a dihybrid is selfed, a characteristic dihybrid ratio of 9:3:3:1 is obtained in the offspring.

用这个杂合子自交后，后代性状分离比率为9：3：3：1。

Such interactions between genes lead to apparent deviations from the 9:3:3:1 dihybrid ratio in the F2.

这样基因之间关系使得它们F2代孟德尔比率偏离9：3：3：1。

Figure 5. Transfer efficiency of a solder paste related to aperture area ratio and its effect on reflowed bump co-planarity.

图5，锡高转移效率与孔面积比率及它对回流峰共面度影响。

If the characteristic is governed by simple Mendelian genes, the typical monohybrid and dihybrid ratios become apparent in the F2 generation.

如果其特征取决于单一孟德尔基因，那么典型单基因杂双基因杂遗传比率将在子二代呈现。

The proposed algorithm improves localized nodes ratio by multihop centroid calculating，and improves localization accuracy by decentralizing process and signal strength-weighting process.

该算法对单跳质心算法进行多跳扩展以改善定位比率，并加入场强加权过程去中心化过程以提高定位精度。

The best cup characteristic are produced when the ratio of the degradation of trigonelline to the derivation of Nicotinic Acid remains linear.

最佳杯中特征产出于这样时间：葫芦巴酰胺降解与烟酸衍比率保持线性。

The program supports an unlimited number of connections, IP filtering, upload and download ratios, explicit limits per user and real-timeserver activity monitoring.

程序支持无限联系数字， IP 过滤，上载下载比率，清楚每个用户实时服务器活动限制。

The costliness value, the high time limited efficacy merchandise ratio will increase quickly, and will make use of to gather to pack extensively .

高价值、高时效性商品比率将会迅速增加，并将广泛利用集装箱。

Tigogenin was separated completely from the crude sapogenins by macroporous resin column chromatography,only simple solvent Ilelute was used in the column of the separate process.

用大孔树脂为吸附剂色谱方法在分离过程中仅需要简单溶剂-Ⅱ,分离出单一组分剑麻皂甙元占粗皂甙元比率高达70%以上。

If you look over the element ratios we measured, you might conclude that our comet particles look more like chondritic porous IDPs than CI chondrite meteorites.

如果你查看我们定元素比率，你将得出结论——我们彗星颗粒看上去更接近多孔球粒陨石IDPs而不是CI球粒陨石。

But if the managers" stockholding ratio is more than or equal to 32.88%, the increasement of the managers" stockholding may raise the agent costs and entrench upon external stockholders.

而如果管理层持股比率大于32.88％，这时增加管理层持股比率会增加公司代理成本，导致管理层对外部股东利益侵占。

In 2006, the current ratio and the quick ratio of the company rose fast.The inventory turnover ratio was high.The cashability of the current assets was strong and outperformed the industry average.

06年公司流动比率速动比率上升较快，存货周转率处于较高水平，公司流动资产变现能力较强，优于同行业水平。