查询词典 at a rate of

He preferred Kools, his ex-father's brand, but his mother smoked Virginia Slims at the rate of two packs a day, and he could in an average week pilfer ten or twelve from her.

他母亲抽 Virginia Slims 这个牌子的香烟，一般为一天两包，相对他更喜欢 Kools ，他前父抽的烟。他平均一周可以从他母亲那时偷10到12根烟。

Light bulbs are made by a machine at the rate of 66,000 an hour.

电灯泡的封套是由一台每小时速率为66，000的机器生产的。

If you are an average reader you can read an average book at the rate of 300 words a minute.

如果你是普通读者，你读一本普通的书的速度是每分钟300个字。

If you are an average reader you can read an average book at the rate of 300 words a minute.

假定你是一个中等水平的读者，你可以以每分钟300字的速度读一本一般性的书。

In each case, the number of species observed today suggests that these traits have also led to rapid speciation, at a rate previously seen only in African cichlids.

在每一个例子里，今天所观察到的物种个数提示这些特性也已导致快速的物种形成，这种速率以前只在非洲丽鱼科鱼类中被观察到。

At a concentration of 10-6 mol·L-1, compound 4 showed antioxidative activity inhibiting Fe+2-cystine induced rat liver microsomal lipid peroxidation with inhibitory rate of 60%.

在10-6 mol·L-1浓度下，化合物4对Fe2+-Cys诱导大鼠肝微粒体丙二醛生成抑制率为60％。

The Russian soldiers were so exhausted by this unbroken march at the rate of forty versts a day that they were unable to quicken their pace.

俄国军队一昼夜强行军四十俄里，被这种连续不停的行动累得人困马乏，要想再快一点点都不可能办到。

Priority imports such as food and medicines will be paid for at 2.60 bolívares to the dollar, with a rate of 4.30 for the rest.

粮食和药品等优先进口货品以2.60玻利瓦兑换一美元支付，其余商品则以4.30玻利瓦兑换一美元支付。

The results of XRD and DSC showed that ginkgolides existed in solid dispersion at amorphous form or solvates form. The dissolution rate of ginkgolide B in solid dispersion was increased dramatically compared with raw material.

银杏内酯 B从PVP固体分散体中的溶出速率比原药粉末显著提高，且药物中银杏内酯A，B，C和白果内酯从固体分散体中的溶出相似性(f2值均大于 50)优于原药粉末。

The initial rate V0 was influenced by the ratio of molar concentration for butanol to hexanoic acid C(superscript 0 subscript ROH)/C(superscript 0 subscript HA)(at a range of 0.2-17). As C(superscript 0 subscript ROH)/C(superscript 0 subscript HA) decreases, especially when C(superscript 0 subscript ROH)/C(superscript 0 subscript HA), the V0 increases rapidly.

反应初始速率V0与正丁醇和正己酸摩尔浓度的比值C(上标 0 下标 ROH/C(上标 0 下标 HA)有关，在C(上标 0 ROH)/C(上标 0 下标 HA)=0.2-17范围内，随C(上标 0 下标 ROH)/C(上标 0 下标 HA)比值减小，初始速率V0增大，尤其是当C(上标 0 下标 ROH)/C(上标 0 下标 HA)时，V0迅速增大。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。