This maintenance is recommended, but is not required to maintain warranty on the PCV valve.

OBJECTIVE To study the spectrum and anti-virus mechanism of Penciclovir ( PCV ) in vitro.

目的明确喷昔洛韦 ( PCV ) 的抗病毒作用谱及体外抗病毒的作用机理.

Low-grade oligodendrogliomas that are progressive by MRI can be treated with PCV or temozolomide.

低度恶性的少枝胶质瘤如果在MRI上发现有进展,则给以PCV或者替莫唑胺化疗.

The impressive PCV system produces outstanding performance data and is extremely resistant to dirt and damage.

PCV系统具有出色的性能数据和极强的污垢、损坏抵御能力.

Often, the PCV filter does not receive regular maintenance.

一般来说, PCV滤清器不需要定期维修.

He is a very modest man who never blows his owm trumpet.

他为人非常谦逊从不自吹自擂.

Power Control Unit ( PCU ) is the key part of aircraft Electrical Power System ( EPS ).

电源控制器 ( PCU ) 在飞机供电系统 ( EPS ) 的控制保护中居于核心地位.

Objective To evaluate the characteristics of polyhexymethylene carbonate polyurethane urea ( PCU ).

目的评价聚六亚甲基碳酸酯聚氨酯脲 ( PCU ) 的性能.

Expression of TGF � � 1 mRNA was evaluated by RT PCR.

RT?PCR方法测定肺组织内TGF?β1的表达.

Histamine-producing strains could be detected by PCR test or DNA probe technology.

利用PCR与DNA探针技术能够快速检测葡萄酒中的组胺产生菌.

Results At the 2 weeks after operation, the PCO only appeared in the control group.

结果术后2周只有对照组眼出现后囊膜混浊.

Posterior capsule opacification ( PCO ) is a complication frequently happened following cataract surgery a major clinical problem.

后囊混浊是白内障手术的常见并发症.

Diurnal variations of surface ocean pCO 2 and sea-air CO 2 flux evaluated using remotely sensed data.

利用遥感资料评价海面pCO2和海 - 气CO2通量的日变化.

PCO 2 does main role in normal respiration regulation.

在正常呼吸调节中PCO2起主导作用.

The Privacy Commissioner's Office ( PCO ) began full operation on December 20, 1996.

个人资料私隐专员公署在一九九六年十二月二十日开始全面运作.

The next generation telephone is called Super phone or Personal Communication Network ( PCN ).

下一代的电话将被叫做超级电话或者个人通讯网络.

The vector, PCH and pGH, will be used to study prevention of virus in fection.

研究结果表明构建的载体有效表达了siRNA, 这些载体可以用于与siRNA相关抗病毒治疗性试验研究.

First, a PCH model of PMSM is established.

首先, 建立了PMSM的PCH系统模型.

This paper a Preconditioned Conjugate Gradient ( PCG ) method from a view of probability for concrete image reconstruction.

根据常规图像重建的共轭梯度迭代算法,提出一种预条件共轭梯度法.

The paper summarizes the progress, guidance mechanism and classification of photonic crystal fiber ( PCF ) .

首先概要介绍了光子晶体光纤的发展进程 、 导光 机理和分类.

Based on the multi-pole method, a kind of step-structure photonic crystal fiber ( PCF ) is put forward.

以多极法理论为基础, 提出了一种阶梯结构的 光子晶体 光纤.