When either of the two indexes is used the characteristic particle size and uniform coefficient of RRB distribution curve should be controlled, and the particle size distribution of cement should be controlled and periodic inspected.

10 periods of low RRb/ Sr are identified, which well agree with periods of lower temperature in China's history, and the lower temperature during about 990 AD is verified.

该曲线揭示出10次RRb/Sr低值时期，它们与历史时期中国温度下降有很好的对应关系，并印证了约990AD的降温事件。

The problems occurred when equation RRB is used to describe the multi-peak particle size distribution of cement have been discussed and the solution suggestion has been put out.

从RRB式模型来源、分布特点及应用方式等方面入手，探讨了RRB式在描述多峰状水泥颗粒分布时存在的问题，并提出了解决这类问题的建议。

RRB Energy started as a manufacturing facility to develop wind-driven electricity generators, one of the main components in wind turbine technology.

RRB能源公司最初是作为开发风力发电机的制造企业而成立的，风力发电机是风轮机的最主要的部件。

The rate of weight loss was related to RRB and bore close typical nonlinear correlation with time.

失重率与腐烂率显著相关联且与时间呈显著或极显著典型非线性相关。

Today RRB is one of the world's leading manufacturers of wind turbines.

如今的RRB是世界上领先的风轮机制造商之一。

Discussion on distribution equation RRB of cement particle size

水泥颗粒分布方程RRB式的研讨

The pair also unusually vulnerable to crosses during the 5-2 weekend victory over Spurs.

2力克热刺的比赛中这对中卫搭档也表现失常,让对方轻易横传.

The back caught a flare under pressure.

后卫在紧急之中接了一记短横传.

He succeeded in pulling through the difficulty.

他平安地渡过了困难.

He has been through much trouble.

他已渡过许多困难.

His company was about to fail, but the bank saw him through.

他的公司几乎破产, 但银行帮他渡过了难关.

He wanted money to tide him over.

他需要钱来渡过难关。

She watched for a chance to cross the road.

她等候时机横过马路.

You certainly can't send sound or movies across that type of connection.

你确定地不能送声音或电影横过连接的那个类型.

Do not swap horses when crossing a stream.

当你横过溪流的时候,不要掉换你的马匹.

Positive control of the blood pressure, selection of appropriate anticoagulant and protection of RRF have important clinical significance.

积极控制血压、选用恰当的抗凝方法以及保护RRF有着重要的临床意义。

RRF and amount of urine were measured before and after 6,12,24 months' treatment respectively.

分别检测两组患者透析前及透析后6、12、24个月的RRF及尿量。

The FRR and RRF digital filtering methods and their realization are discussed.

讨论了FRR与RRF数字滤波方法及其实现。

Objective To evaluate the effect of residual renal function ( RRF) on hemodialysis patients.

目的观察残余肾功能（RRF）对血液透析患者的影响。

Those who could not write signed with a cross.

不会写字的人画十字代替签名。