The adult to child ratio is one to six.

成人与儿童之比是1比6。

The school has a very high teacher-student ratio.

这所学校的师生比例很高。

What is the ratio of men to women in the department?

这个部门的男女比例是多少？

That would lead to the plant in its shade sensing an unusual ratio.

这将导致处于阴影中的植物感知到一个不寻常的比例。

A ratio of less red and to more far-red light would cause a reaction from the plant.

较少红光和较多远红光的比例会引起植物的反应。

The ratio of liquid to solid cargo shipped across the Ramian Sea did not vary significantly over the period.

在此期间，通过拉米恩海运送的液体和固体货物的比例没有明显变化。

The ratio of oxygen-16 to oxygen-18 found in the calcite of a foraminifer's shell depends on the temperature of the water in which the organism lived.

在有孔虫壳的方解石中发现的氧-16和氧-18的比例取决于该生物生存处的水温。

The oxygen isotope ratio of the ocean changes as a great deal of water is withdrawn from it by evaporation and is precipitated as snow to form glacial ice.

随着大量的水通过蒸发被抽离，并以雪的形式沉淀形成冰川冰，海洋中氧同位素的比率就发生了变化。

Agrillo's team found that mosquitofish can discriminate between numbers up to 16, but only if the ratio between the fish in each shoal was greater than 2:1.

阿格利罗的团队发现，食蚊鱼最多可以分辨大到16的两个数字的大小，但前提是每个鱼群中鱼的比例大于2:1。

Although women's wages are improving, Department of Labor statistics show that the ratio of their earnings with that of men have been roughly static since 1960.

尽管女性的工资在提高，但劳工部的统计数据显示，自1960年以来，女性收入与男性收入的比率基本保持不变。

The bigger the animal is, the lower its surface-to-volume ratio; for every ounce of body mass, there is proportionately less surface through which heat can escape.

动物体型越大，其体表体积比越低；躯体每增加一盎司的重量，所能散发热量的表面就成比例减少。

Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.

一些生物学家假设，如果一株植物处在另一株植物的荫蔽下，它就会停止生长，当它感知到红光与远红光的不寻常比例时，反应就会触发。

This fascinating experiment showed that plants not only detect and react to specific wavelengths of light, plants can also detect and react to changes in the ratio of one wavelength to another.

这个有趣的实验表明，植物不仅能探测和对特定波长的光产生反应，还能探测不同波长比率的变化并对其做出反应。

The ratio of applications to available places currently stands at 100:1.

目前，申请人数和就业岗位的比例为100:1。

An increasing ratio of mistakes, perhaps induced by tiredness, crept into her game.

可能是因为疲劳，她在比赛中的错误率不知不觉地升高了。

The dominant lead ratio found in Greenland snow matched that found in gasoline from the United States.

在格陵兰的雪中发现了大量的铅，其含量与在美国汽油中发现的相当。

A titanic impact could have stripped away a portion of its rocky mantle, leaving behind a metallic core whose density is out of proportion with the original ratio of rock to metal.

超大碰撞可能剥去了水星的一部分岩石地幔，留下了一个金属核心，其密度与原来的岩石与金属的比例相比大得不成比例。

The effect of water binder ratio (W/C) was studied.

对水灰比的影响进行了研究。

C/N ratio can be taken as a rooting index of elm tip.

碳/氮比率可作为白榆新梢生根的指标。

Bilobalide in leaves had a high ratio of total terpene lactone.

叶片中的双叶利德具有很高的总萜内酯比例。

Shares are deemed pricey when the p/e ratio is above its long-run average.

如市盈率超出长期平均状况，股份价格即被视为昂贵。

Different feed gas ratio could produce synthesis gas of different H/C radio.

原料气各物质的比例不同，可以制备不同碳氢比的合成气。

For the eccentric model, Hipparchus found for the ratio between the radius of the eccenter.

对于偏心模型，希帕克斯发现了偏心半径之间的比率。

The ratio of signal to noise (S/N) is greatly improved through the phase sensitivity detection.

通过相位灵敏度检测，大大提高了信噪比。

Fork lifter may to into the passage of each row of the rack, improving the utility ratio of warehouse.

叉车可直接进入巷道内存取货物，仓库利用率高。

Model CR118 has a Fraction to Decimal Conversion Chart and Trigonometric Ratio Equations etched on the front side.

CR118 模型的正面刻有一个分数到十进制的转换图和三角比公式。

The law of multiple proportions has insisted on the fundamental character of the combining ratio for different atoms.

倍比定律规定了不同原子间化合比的基本特征。

CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.

以吖啶酯衍生物为发光标记物的CLIA的特点是：自然本底低和信噪比高。

Re-adsorption under the conditions ibidem got the removal ratio 80% indicated that the material can be utilized for several times.

用吸附了铬离子的针铁矿进行的二次吸附实验（条件同前）去除率达到80％左右，表明该针铁矿可以重复利用。

The ratio between the two sides is one to four.

双方人数对比是一对四。