The problem of channal access is how the competitive customers share the network resource. Hence the effective channel access models and performance analysis methods are the premise to improve the network performance in the WCN.

The finite property of bandwidth of the WCN makes the access performance analysis of importance.

无线通信网络的带宽有限性，使得其接入性能分析变得十分重要。

The World Customs Organisation ( WCO) aims at enhancing the effectiveness and efficiency of Customs administrations and facilitating trade by achieving harmony and uniformity in customs procedures world-wide.

世界海关组织的宗旨是协调和统一世界各地的海关程序，从而提高各地海关的工作成效并促进贸易。

The Hong Kong Customs and Excise Department takes part actively in WCO business. It also participates in the organisation's Policy Commission.

香港海关积极参与世界海关组织的工作，同时也是该组织的政策委员会委员。

World Customs Organization ( WCO) is the only inter-governmental international organization dealing with customs technology and research in the international sphere.

世界海关组织，是世界范围内唯一的专门研究海关技术和事务的政府间国际组织。

The same result was achieved when some TaC was added into WCo alloy.

当在钨钴合金中加入TaC时，同样得到了这种棱角圆滑的组织结构。

Research Progress of Solid Acid and Alkali Catalysts on Biodiesel Production from WCO

固体酸、碱催化WCO制备生物柴油研究进展

The last part is a concluding summary of the paper, summarizing the relationship between the WCO and the WTO as well as exploring the contributing factors.

最后为本篇论文的结语，对于世界海关组织和WTO的关系作了总结，并对成因作了分析。

By means of exploring the correlation between the information, WCR sets target of the regularization of unordered set of data, meeting the individual needs of the user and aggregating information as maximum as possible.

信息库的功能是实现无序数据的规则化，并发掘信息之间的关联性，为最大限度的聚合信息和满足用户的个性化需求而服务。

Construction of the DPMC system with the Warehouse of Customization Resource ( WCR) is developed and used to build Customization Model ( CM), which is easily caught on by customers.

在研究定制资源仓库技术基础上，建立用户理解的产品定制模型，应用自组织理论实现用户定制产品的分类管理；

Aiming at wheeled WCR ( WWCR) with SSCs firstly, the influence on the motion characteristic under suction force of SSC and variable mass is analyzed.

本文首先针对带SSC的轮式WCR（Wheeled WCR，WWCR），分析了SSC吸附力和WCR自身质量的变化对其运动特性的影响。

Using a wide-compatibly WA sterile line as female parent to select japonica WCR lines with CMS cytoplasm.

以WA型广亲和不育系为母本，筛选同质广亲和恢复系；

Using WCR lines with CMS cytoplasm as female parent to develop new restorer lines by backcrossing.

以同质广亲和恢复系为母本转育新的恢复系。

The results show that the industry factor has an obvious influence on WCR of listed companies in China.

研究结果显示，行业因素对我国上市公司营运资金需要量有显著的影响。

As a professional, international, and standardized language training institute, WCT is dedicated to providing individualized services for learners and teachers of Chinese.

外研汉语培训致力于为更多的汉语学习者、教学者提供个性化服务，做专业化、标准化、国际化的教育培训服务机构。

In order to further explain the material basis for anti-virus and provide the basis for the development and application of WCT.

为了进一步诊释WCT抗病毒物质基础及为其开发应用提供依据。

Results The test retest reliability ranged from 0.68 to 0.97 in different situations with the WCT.

结果不同情况下，WCT的重测信度为0.68～0.97。

Isolation and Identification of Chemical Constituents of Botanical Pesticides WCT

植物源农药WCT化学成分分离与鉴定

Study on Chemical Constituents of Botanical Antivirus Agent WCT

植物源病毒抑制物WCT化学成分初步研究

Mechanism of Control of Tobacco Mosaic Virus by Antivirus Agent WCT-ⅱ from Plants

植物源病毒抑制物WCT-Ⅱ防治烟草花叶病毒的机理初探

Research on Application and Antiviral Mechanism of WCT-ⅱ Extracted from the Plant

植物源抗病毒物质WCT-Ⅱ作用机理及应用研究