两管的

Methods Stochastically31patients with tubercular meningitis were divided into two groups:Curing group:16people,Comparing group:15people Observe and make statistics of its cure rate,relapse rate and mortality observe and maker statistics of the partial damage else with failing to puncture made by injection through vertebra to meninx.

对31例结核性脑膜脑炎患者，随机分为两组，治疗组16例，对照组15例，观察统计其治愈率、复发率、病死率以及椎管注射法所致局部损伤和穿刺失败的情况。

The two sperm nuclei and the tube nucleus are all derived from a single microspore nucleus by mitosis.

两个精核和管核都是从同一个小孢子核有丝分裂产生的。

One of two cylindrical structures that are composed of nine triplet microtubules and the asters during mitosis .

由九个三联微管组成的两个圆柱体细胞组织之一，在有丝分裂中形成星状

Using both hands, mould noseclip to the shape of the lower part of the nose, do not pinch the nosepiece using only one hand as this may result in less effective respirator performance.

用两只手，把鼻夹变成鼻子下部的形状；不要只用一只手去捏管口，这样可能会导致呼吸器效力减轻。

It's offensive weapons are two 457 mm torpedoes, fired from the bow the boat launch tube.

它的进攻武器是两枚457毫米鱼雷，可以从艇艏发射管发射。

Objective To explore the application effect of two types of catheters in peripherally inserted central catheter.

目的 探讨两种导管在外周中心静脉置管中应用的效果。

There are two zones of cambium: the VASCULAR CAMBIUM, which produces secondary xylem and phloem, and the PHELLEM, which produces secondary cortex and cork or bark.

有两种类型的形成层：一种是维管形成层，产生次生木质部和次生韧皮部。另一种是木栓形成层，产生次生皮层，软木或树皮。

Polar distance; polar diameter .

连接两个不同直径的管。

Two patterns of Arabidopsis pollen tube oscillatory growth were detected by using this device.

观察发现，体外生长的拟南芥花粉管存在两种振荡生长方式。

Results show that CNTs can catalyze pyrotechnics with potassium perchlorate and potassium nitrate, and the best adding method is water-mixing method.

结果表明，碳纳米管对含两种烟火药剂均具有催化作用，其中以水混法添加的催化剂催化效果最佳。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷