两管的

Objective:To investigate the effect of diameter of root canal foramen on the accuracy of two apex locators.

目的：研究根尖孔直径对两种根管长度电测仪Root ZX和Neosono Ultima EZ测量准确性的影响。

The characteristics of the inertia force divides deformation process into the period of energy storing and the period of energy dissipation.

根据惯性力的特点，将管件变形过程分为能量贮存和能量耗散两个阶段。

Methods: 205 patients were selected for this study and divided into four-handed technique group and traditional oral treatment group randomly. The chair-side time of two groups was recorded respectively.

将205例病人随机分为四手操作组和传统配合组，分别统计两组根管充填时医生的椅旁操作时间。

Crowndown technique was applied in root canal preparation for all cases. The accuracy of the two methods was evaluated and compared with No 30 film of guttapercha point.

两组均采用冠向下技术进行根管预备，插30#牙胶尖拍片评价2种方法测量根管工作长度的准确性并进行比较。

Instantaneous velocity of the fluid-point is measured with LDA in the pipe reactor.

本文主要对管式反应器中流场特性和传质特性两方面进行了较深入的研究。

For the purpose of direct laryngoscopy and tracheal intubation, these two methods are equivalent.

对于置直接喉镜和行气管插管来说，这两种方法的效果等价。

Corrugated cardboard production line of which two, the assembly has advanced computer Health Monitoring System and computer control automatic paper isobar system, the largest producer of a width of 1.6 meters.

其中瓦楞纸板生产线两条，装配有先进的电脑生管监测系统及电脑自动分纸压线系统，最大生产宽度为1.6米。

Results The incidence of mistakable inserting internal jugular vein was compared between two group by statistical analysis.

对两组患者的插管误入率进行比较。

Whoever you'of two left-legged or a one legged git !!!!

那管你是两左足的和跛架！！！

Methods 30 cases of hepatolithiasis patients were divided randomly into following two groups: 15 did lobectomy of liver, 15 did choledocholithotomy.

30例肝内胆管结石的病人随机分成两组， 15例行肝叶切除术，另 15例行胆总管切开取石、 T管引流术。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。