查询词典 R.R.

In equation (6-5), the discounted rate r= 5 percent is the internal rate of return.

在方程（ 6-5 ），折扣率r =百分之五的内部收益率。

X 2 and r formulae are used on studying the interspecific association and correlation of shrub layer.

应用X2检验和Pearson相关系数r公式研究了灌木层植物种间联结和相关性。

They use R/S analytic method to check up earnings yields, and find that both of earnings yields have long memory characteristic. It also performs short memory characteristic along with changes of sample"s initial time and interzone of time series. The average circular period of Shanghai"s stock market is 250 days, and Shenzhens is 400 days.

采用了R／S分析法对收益率进行检验，实验结果表明上证综指收益率和深证成指收益率都有长记忆特征，但随着样本初始时间和样本区间大小的不断改变，股市收益率在表现出长记忆性特征的同时，也表现出了短记忆性的特征；上证综指的平均循环周期为250天，深证成指的平均循环周期为400天。

Intranasal administration of low dosage r-HuEPO can inhibit the seizure in rats.

经鼻给小剂量的r-HuEPO有明显的抗癫痫作用。

In addition to the am in o and carboxyl groups possessed by all am in o acids, the R group of some am in o acids can ionize.

另外，所有的氨基酸都拥有氨基和羧基，一些氨基酸的R基能电离

The compounds are isomorphous and crystallize in the trigonal R-3 space group.

这些化合物的晶体结构都属于三方R-3空间群。

In this paper, we first give the structure of R, including its maximal, minimal right ideals and the structure of its Jacobson radical, socle and singular right ideal as well.

在本文中，我们首先给出了R的一些结构，包括它的极大、极小右理想和它的Jacobson根、基座以及奇异右理想，顺便列举了它们的相关结果。

This week, Toys 'R Us recalled over 320,000 cribs made by Jardine.

这周， Toys 'R Us 回收怡和制造的超过32万的婴儿床。

Scientific papers have cited one of the first reports of this effect, a 1981 study by W.M. Jarrell and R.B. Beverly in Advances in Agronomy, more than 180 times since its publication,"suggesting that the effect is widely regarded as common knowledge."

贾雷尔和R.B。贝弗利的研究报告《农学系进展》，自它的出版后科学论文第一个引用报告的这个功效，到现在已经超过180次，"这表明影响被广泛认为是共同知识。"

"These results could impact the design and delivery of future prenatal care services," lead author Jeannette R.

来自美国康乃狄克州纽哈芬市耶鲁大学的第一作者Jeannette R。

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。