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- The MI rate ratio with rofecoxib use was 1.59 in patients with a prior MI and 1.23 in those without a preious MI. 使用罗非昔布并且有心梗病史的患者心梗发生率为1.;59%25，而没有心梗病史的患者心梗发生率只有1
- The rate ratio with celecoxib was 1.40 for a repeat MI, but not significant (RR = 1.03) for first-time MI. 赛来昔布的再次心梗发生率为1.;40%25，与第一次心梗发生病人之间没有显著性差异（RR＝1
- The determining factors of the rate ratio come from the joint contribution of the activation enthalpy and activation entropy. 活化熵对反应速率常数比值的贡献是不可忽略的.
- Main outcome measures Rate ratio for stroke in periods of time exposed to antipsychotics compared with unexposed periods. 主要结果指标：服用抗精神病药物期间中风发生率与未服药期间中风发生率之间的比率。
- From scanning electron microscopy (SEM) micrographs of GaN epitaxial layers on PSS, it was found that lateral growth indeed occurred and the lateral to vertical growth rate ratio was around 2. 扫描式电子显微镜(SEM)条状蓝宝石基板氮化镓磊晶层的显微相片，可以发现横向成长确实有产生，而且横向对纵向的成长速率比约为2。
- Exposureto hydrazine was positively associated with lung cancer incidence (estimated rate ratio for high vs low exposurewith 20-year lag = 2.5; 95% confidence interval = 1.3-4.9) and with colorectal cancer incidence (2.2; 1.0-4.6). 联氨暴露与肺癌发生率(高暴露对低暴露在20年后估计的率比为2.;5；95%25信赖区间为1
- In addition, a theoretical model was also developed to predict the width of the two-fluid hydrodynamically-focused stream for a given volumetric flow rate ratio, dynamic viscosity ratio of the two-fluid, and microchannel aspect ratio. 而粒子混沌行为强度可藉由李亚普诺夫指数量化，因而找出其最佳切换频率，此最佳切换频率也经由直接数值模拟方式被验证。
- Rated ratio, Accuracy classRated burden following table. Rated secondary current 51 Amp. 额定电流比、准确级及其额定负载如下表所示，额定二次电流5A或1A。
- Rated ratio, Accuracy class and Rated burden following table. Rated secondary current 5 or 1 Amp. 额定电流比、准确级及其额定负载如下表所示，额定二次电流5A或1A。
- At this rate we won't be able to afford a holiday. 照这样下去，我们不会有时间／钱去度假的。
- Thermal Capacity rate Ratio (TCR) 热容率（TCR）
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
- First,experimental study on the influence of air temperature,velocity,initial moisture content of wood particles and mass flow rates ratio in the process of ISD has been performed. 首先，在不同气流温度、温度、流量及不同刨花初含水率、载带率条件下进行刨花对撞流干燥实验。
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- They charge a fixed rate for each transaction. 他们对办理的每项业务收取一定的费用。
- The going rate for freelance work is 5 an hour. 自由职业者的现行酬金是每小时5英镑。
- At that rate, he ought to be punished. 如果那样，他应该受到惩罚。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- Above rate applicable until further notice. 除非另有通知，上述运费率适用。
- At any rate we must go on Tuesday. 无论如何，我们必须在星期二走。
