The ratio of pupils to teachers was 30 to 1.

学生和老师的比是30比1。

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

水和酒精可按任何比混合。

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，后代性状分离的比为9：3：3：1。

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

这样的基因之间的关系使得它们的F2代的孟德尔比偏离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，锡高转移的效与孔面积比及它对回流峰共面度的影响。

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，那么典型的单基因杂和和双基因杂的遗传比将在子二代呈现。

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，并加入场强加权程和去中心化程以提高定位精度。

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

最佳的杯中特征产出于这样的时间：葫芦巴酰胺降解与烟酸衍生的比保持线性。

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

程序支持无限的联系的， IP 滤，上载和下载比，清楚的每个用户和监测的实时的服务器活动的限制。

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的色谱方法在分离的程中仅需要简单的溶剂-Ⅱ,分离出的单一组分剑麻皂甙元占粗皂甙元的比高达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.

如果你查看我们测定的元素比，你将得出结论——我们的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大于32.88％，这时增加管理层持股比会增加公司的代理成本，导致管理层对外部股东的利益侵占。

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年公司流动比和速动比上升较快，存货周转处于较高水平，公司流动资产变现能力较强，优于同行业水平。