Firstly, H-value rule which can evaluate quality of portfolio was given under the condition of permitting short-sailing for the first time.

首先，在允许卖空的情况下，第一次给出了评价证券组合优劣的H值准则，然后在H值意义下进行优良证券组合的筛选。

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He, in fact, published his first science fiction novels around the time h.

实际上，他出版的第一本科幻小说正是H。

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In this paper the principle of video coding, the recommendation H. 263 and the real-time signal processing system based on DSP chip are introduced first.

本文首先介绍了视频图像编码原理、H . 263建议和基于DSP芯片的实时信号处理系统。

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For the first time the W.H.O.raised its alert level from phase four to phase five on April twenty-ninth.

VOA: special.2009.05.06

He said it represents the first time an investigational H.I.V.

VOA: special.2009.10.13

Sub-types of haplogroup H that are common today first appear with the Beaker people and the overall percentage of individuals belonging to the H clan jumps sharply at this time.

BBC: Making of Europe unlocked by DNA