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Chain index An index number derived by relating the value at any given period to the value in the previous period rather than to a fixed base.

环比指数指通过把某一时期的数值与前一时期的数值相比，而不是与固定基期相比而得出的指数。

This article introduces the development and the evolution of IT channel in our country, focusing on the IT channel pattern based on the electronic commerce. Analysis from transformation of value chain explains electronic commerce the fundamental reason which affects the IT channel. Various analyses which IT channel is affected by electronic commerce have been carried out. The relationship between the consumer network purchase behavior and the IT electronic channel has been explained, and necessity of the middle man electronic commercialized pattern had been discovered. Standing on the previous research, this article summarizes the tendency of IT channel development and predicts the future of orientation of IT channel so as to provide some principles for medium and small sized channel members. In the last part of the article, it visualizes the future new IT channel pattern from the angle of economics.

本文介绍了我国IT渠道的发展与演变过程，重点分析了基于电子商务的IT渠道模式，从价值链的改造这个角度进行分析，说明电子商务对IT渠道影响的根源所在，对电子商务影响IT渠道这一事物进行了各种层次和角度的分析，解释了消费者网络购买行为和IT电子渠道中产品选择的关系，揭示了中间商电子商务化的必然性，在以上研究的基础上，总结了IT渠道的当前发展趋势后，本文结合以上研究内容，做出对IT渠道走向的预测，为中小型渠道成员的战略选择提供了一定依据，最后从经济学角度出发做出了对未来IT渠道新模式的构想。

In simulation results, the proposed protocol outperforms the previous MAC protocol with hybrid channel assignment.

模拟结果显示，此协定比之前也是使用混合式的协定效果要好。

Unlike the previous calendars, the Chantry calendar has "ages," which are each 100 years long.

与前述两种历法不同的是，教会历中使用"纪元"的概念，一个纪元长为100年。

Product substitutability is the key factor to study the competition between manufacturers in distribution channels,and which is supposed to have characteristic of "double direction" in most previous studies.

产品替代度是研究分销渠道中生产商层次竞争的关键因素，以前大量的研究都是假设两个生产商之间产品的替代度具有"双向"性。

Based on the previous MHD duct flow experiments, the law of mass conservation, the law of charge conservation and the Lorentz force as well as the principle of equivalent circuit, a simplified theoretical method to analysis MHD effect of duct with FCI is developed.

基于先前的普通管道中的MHD效应的实验结果和质量守恒定律（或液态流体不可压缩原理）、洛仑磁力定律和电荷守恒定律，再利用有源网络等效方法，发展出一种简化而有效的分析带通道插件管道的磁流体动力学效应的方法。

Shawn charitably suspects that bad-quality seeds might be to blame for my previous failure.

好心的Shawn 怀疑是问题种子惹的祸。Joanna 曾经在园艺学会接受过培训。

Precisely because of this, only after the re-emergence of charter, the rate of return from a few years ago each year more conservative 6-8 percent rise to the current 8-11% range返租period from the previous 3 years or so into now 5 years, 10 years; In addition, the business model has changed, and now the "after-sale charter" operator side is no longer a developer, but as an intermediary's investment company.

正因为如此，才重新出现宪章，回报率从几年前较保守的每年6月8日增加百分之目前的8-11 ％的范围内返租期前3年或使到现在5年， 10年；此外，该商业模式已经改变，现在的"售后包租"经营方不再是开发商，而是作为中介的投资公司。

The DIONE is a 75,172 dwt Panamax dry bulk carrier built in 2001. The previous time charter contract for the DIONE was at the gross charter hire rate of US$28,500 per day.

DIONE轮2001年建造，75172载重吨，此期租合同签约前该船总计日租金为28500美元。

Not a big change from the previous version of the chassis, this new kit is all about refinement.

没有一个大的变化从以前版本的底盘，这种新的试剂盒都是完善。

We have limited budget let me know if you can do this competitively.

我们有限的预算让我知道如果你能做到这一点竞争力。

We don't know how other critters breathe--lizards, for example.

我们还不知道诸如蜥蜴之类的动物如何呼吸。