METHOD: 242 root canals need to be treated were randomly divided into two groups, root canal work length was measured with Root-ZX radiometer in experimental group;

1、

In the implant area, the diameter of implant at the apical foramen of root shall not be reduced to protect root in clinical work.

种植体出根尖孔区域受力最大，不能将种植体出根尖孔处直径减小来达到保护牙根的目的；

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2、

Objective: To study the effect on the root surfaces and the work efficacy following ultrasonic subgingival scaling with different output power and different parts of work tip.

目的：研究不同功率下超声龈下工作尖的不同工作端对牙根面的影响及其工作效率。

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3、

We're surrounded by this kind of outcome yet, all too often, we don't analyze the root problem, or work on improvement steps.

但即便类似的结果比比皆是，我们依旧不会分析问题的根源，或寻求改进的方式和步骤。

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4、

Here you start at the root XML element and work your way down through the elements it contains.

这里，您从根XML元素开始，一直到遍历它所包含的元素为止。

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5、

A team has been set up to investigate the blast, and Hubei will launch a province-wide blanket inspection to root out potential work safety hazards.

当地已组成事故调查组，湖北省将在全省展开安全大检查，排除潜在安全隐患。

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6、

Heaney showed his tendency to root his work in the rural life in his hometown County Derry right at the initial stage of his poetical career. This topic began to reveal in his first five volumes before he became well-known and ran through all of his poetic works.

希尼在其创作初期便显示出其作品根植故乡德里郡乡村生活的倾向，这一主题在他最初的五部诗集中初露端倪，并贯穿其一生作品。

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7、

For safety's sake, don't drive more than 30 kilometers per hour in the city.

为了安全起见, 在市内开车时速不要超过三十公里.

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8、

Spindle motor has torque load setting for safety and protection.

主轴马达有扭力负载设定安全保护功能.

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9、

Some names and details have been changed for safety reasons.

出于安全原因一些名字和细节情况有所修改.

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10、

And they'll have strong wires round them for safety.

而且箱外用牢固的铁丝捆紧,以保安全.

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11、

He buckled up for safety.

他为安全扣好扣子.

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12、

The ship came about and headed for safety.

船改变了航向向安全地带驶去.

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13、

It's a product built for safety.

这是一种安全用品。

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14、

This mixer is provided with safety device to protect the operators.

附有安全保护装置,确保使用人员之安全.

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15、

Ensure all machines are installed and equipped with safety requirements.

保证所有设备的安装都符合安全的要求.

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16、

With safety device to protect the security of operators and the machine.

安全保护装置,确保使用中人员机器本身之安全.

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17、

Equipped with safety protection, comply with firm's safety management requires.

配备安全防护, 符合企业安全管理要求.

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18、

Be familiar with safety regulation for household appliance plastic parts.

熟悉家电对塑料件的安规要求.

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19、

You equate home with safety, comfort , shelter, and protection.

你把家看作是安全的、适的、风挡雨的和保护你的.

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20、

Not only can they operate the machines with safety, but they can also repair them.

他们不仅能安全地操作机器, 而且能够修理.

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