Underwater acoustic channel is a time-space-frequency variant channel having a character for narrow bandwidth high ambient noise level and strong interference of multipath .

而由此构成的水声信道是一个空间与频率 响应随机快速 变化的传输信道，存在窄带、高噪及强多途干扰。

As the relationship between the Chinese characters within the same group is so complicated that the writer analysed the characters in every group and put forward her own view of how to deal with the variant forms of the same Chinese character .

针对《第一批 异体字整理表》中字组之间关系复杂的情况，对表中的字组逐一进行了分析，并对表中每一个 异体 字如何处理，提出了自己的主张。

Null String Variant cannot be converted to a character .

不能将空字符串 变量转换为 字符。

Establishment of Variant Cell Line in Drosophila Melanogaster (ⅱ) & Establishment and Biological Character of Cell Line in Black streak body · BSR Mutant

不同品系黑腹果蝇细胞系的建立（Ⅱ）&黑条体突变型（BSR）细胞系的建立和生物学 特征

This part adopts the methods of quantitative and qualitative analysis diachronic comparison objective description generalization and summarization comb the first batch of tabulated variant forms of Chinese characters and the following character tables and standards of variant forms of Chinese characters .

本部分按照时间顺序，采用定量定性分析、历时比较、客观描写、归纳总结等方法，对《第一批 异体字整理表》及其后研制的各异体字整理 字表、异体字规范进行了梳理。

You can think of tr as a ( very ) simplified variant of sed : it will replace one character with another or remove some characters altogether .

您可以将tr看作为sed的（极其）简化的 变体：它可以用一个 字符来替换另一个 字符，或者可以完全除去一些字符。

All the results show there is a variant subgenotype of HEV in the South of China besides the similar strain with Xinjiang but they have the same biological character .

表明我国南方散发性 HEV毒株的基因组存在差异，可能同时流行着两种 不同的HEV基因型，但生物学 性状是相同的。

Dividing consumers into groups according variant running character and variant load succession rate calculating power of every group according different experiential value of demanding coefficient sum of power of every groups multiply synchronization coefficient is total calculational power .

将用电设备按运行工作 制和负载持续率分组，按 不同的需要系数经验值计算每组用电设备功率，每组设备功率之和乘以同期系数就是总计算功率。

A kind of program variant method of Chinese characters based on origin character is put forward by analyzing the original strokes and font feature of Chinese characters .

文章通过讨论汉字的基本笔画及字体特征提出了一种基于原体的 汉字程序 变体方法。

The grey model is set up by trying to avoid the internal factors and its action of the complex system in population prediction finding available information from the grey master variant series of population magnitude using the dynamic remembering character .

在人口预测中，避开复杂系统的内部因素及他们之间的相互 联系，从人口量序列综合灰 变量本身寻找有用的信息，利用其动态记忆 性，建立了灰色模型。

Cough variant asthma Assimilation of Character Components : An Important Potential Principle in the Standardization of Variant Form of Chinese Vocabulary

咳嗽 变异 型哮喘异形词规范中不容轻视的一种潜规则& 偏旁同化

Firstly we use the variant of K-means obtain the basis vectors from the training data then extract character feature by combining convolutional neural network . 2 .

我们先利用改进的 K-means聚类方法从训练数据中获得基向量，再结合卷积神经网络提取 字符图像的特征。

And inhibitory effects of all entries on barnyardgrass root-length and shoot-height showed continuously variant implying that allelopathy is a quantitative character .

通过琼脂迟播共培法考察了水稻RIL各家系及亲本的化感作用，结果表明，各家系对稗草的根长和茎长抑制率呈连续 变异，证明了化感作用是数量遗传 性状。

II Easy to variance but the variant could return the original character 20 isolates belonged to this type ;

Ⅱ中间类型，该类型菌株在培养过程中容易变异，但 变异 后代不 稳定，可以发生回 变，属于该类型的菌株有20个；

The yield components of wheat cultivars with variant yield and the problem about improvement of the yield character of super-high-yielding wheat cultivars were discussed .

讨论了超 高产小麦品种的产量构成因素与产量 性状改良等问题。

Study on The Variant Character of Soybean Offsprings Received Maize DNA

玉米DNA导入大豆导致后代 性状 变异的研究

Research of the variant form a character study of an important aspect of ontology is to study the evolution of Chinese characters as a starting point the law while the consolidation and standardization of Chinese characters work can play a certain role has important practical significance .

异体 字研究，是 汉字本体研究的一个重要方面，也是研究汉字形体演变的一个切入点，同时对汉字的整理和规范化工作也能起到一定的推动作用，有着重要的现实意义。

Objectives To identify the ischemic core and penumbra of variant ischemia and reperfusion period by the dark neuron method observe them dynamically and elicit the morphological character of ischemic penumbra .

目的根据黑色神经元辨认 不同缺血和再灌注期间的缺血中心区，阐明缺血早期半暗带的范围，并对其进行动态观察，以期阐明半暗带的形态 特征。