After failing four times, I eventually passed my driving test on the fifth attempt.

Now that you've passed your driving test you can drive on your own.

既然你的驾驶考试已经通过,你可以独自开车了.

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Peter failed the driving test, since he is still a kid.

彼得没有通过驾驶测试, 毕竟他还是个孩子.

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Jack: Oh, they are parts of your family, right ?

杰克: 噢, 他们都是你的家庭成员, 是 吗 ?

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Some actors are hired to play the family of the director.

导演的家庭成员由演员扮演.

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The influence of pollution removal efficiency and mechanism analyses if adjusting soil depth, the quantity of EM, hydraulic loading period.

土层厚度、EM投加量、水力负荷周期对污染物去除效果的影响及机理分析。

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The flocculent dosage, pH value of the emulsion and the ratio of inorganic-organic compound flocculent were investigated.

考察了絮凝剂种类、pH值、絮凝剂投加量以及有机-无机联合使用对絮凝效果的影响。

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The k increases with the increase of initial concentrations 、 catalyst dosage and light intensity. The k decreases with the increase of solution pH value.

甲醛光催化反应速率常数k随初始浓度、催化剂投加量和光强的增加而增大，随溶液pH值的增加而减小。

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On this basis, effects of nano-TiO 2 loading on dielectric properties of the composites were studied.

通过透射电镜研究了纳米TiO2粒子在聚酰亚胺基体中的分散状态，并在此基础上研究了纳米TiO2填加量对该复合材料介电性能的影响。

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The effect of the dosage of aluminum sulfate, the dosage of straw carbon, pH, shaking time, temperature disturbance and other conditions of different environmental factors on the adsorption effect.

考察了硫酸铝的投加量、秸秆碳的投加量、pH值、震荡时间、温度、扰动等不同环境因素条件下对吸附效果的影响。

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Although both of the increase of dosage and the decrease of pH can enhance the removal of organic substance effectively, the decrease of pH can remove organic substance more effectively.

尽管增加混凝剂投加量和降低pH都能有效地提高去除有机物的效果，但降低pH去除有机物更有效。

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The influence factors for removal efficiency sorting by priority are hydraulic loading period, the appending quantity of EM rejuvenation, soil depth.

影响各污染物去除效果因素的主次为，水力负荷周期、EM投加量，土层厚度。

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The experiment results indicate that time, solid amount taken, temperature and initial concentration of dyes solution have an effect on the color removal efficiency to different degree.

实验结果表明：脱色时间、固体投加量、温度、染料溶液初始浓度及pH值对脱色率均有不同程度的影响；

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The experimental study indicated the reaction temperature, the reaction time, the oxidant amount used have remarkable impact on the product C distribution.

研究表明反应温度、反应时间、氧化剂投加量对产物C分布、还原性糖和乙酸的产量影响显著，而反应物质量、加入水的体积、反应物粒径对产物C分布影响较小。

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Determine Cement CaO Content and Control Mixture Addition

测定水泥中CaO含量控制混合材掺加量

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This study uses CaCl 2-Ca ( OH) 2 neutral titration combined with soil-limestone cultivation to select optimum adding dose of limestone in acid red soil.

应用CaCl2-Ca（OH）2中和滴定法与土壤&石灰培养法联合确定红壤中石灰石的最佳投加量。

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The main effects of P removal were adsorption time, G value, pH value and dosage of red mud.

影响赤泥除磷效果的主要因素有吸附时间、G值、溶液pH值和赤泥投加量。

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The dosage was enhanced timely every 5 to 7 days until attaining the objective dose.

d，日2次，口服，每5～7d加量一次，直至达到目标剂量。

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The optimum process conditions in surface modification were obtained: the HA calcining temperature: 1000 ℃, the addition of PL coupling agent: 0.7wt%.

其较佳的表面改性工艺条件：HA煅烧温度：1000℃；偶联剂加量：0.7wt%。

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The influences of scale inhibitor concentration, antiscaling time and temperature, NaCl concentration, and pH value on the efficiency of the inhibitor FX were studied.

考察了防垢剂加量、防垢时间、温度、氯化钠含量、体系pH值对高含钡地层条件下硫酸钡垢防垢效果的影响。

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The effects of initial pH and the doses of H_2O_2 and iron chips on the removal efficiency of phenols were studied in the experiment.

考察了初始pH、H2O2投加量、废铁屑投加量对酚去除率的影响。

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