符号

"They may involve associated letters (e.g., C for the chemical element carbon), or they may be assigned arbitrarily (e.g., the mathematical symbol ￥ for infinity)."

符号可以包括字母的关联或是任意指定(例如数学的无限符号或是货币符号)。

Simulation shows that the proposed algorithm can achieve similar performance to that of the ITS using natural binary bit mapping and has about 1dB gap with the ITS using Gray bit mapping. In the high SNR region, the complexity of the proposed bit-level ITS is about 6％~40％ of the symbol-level ITS.

仿真结果表明：在误码率性能上，该算法略次于使用自然二进制映射的基于符号的ITS算法，与使用格雷映射的基于符号的ITS算法只有1dB左右的差距；而该算法的计算量在高信噪比时只相当于基于符号的ITS算法的6％~40％。

Which we have already seen an example in Θ-notation. Several notational conventions used

下一部分将首先定义几种"渐进符号"，在这些符号中我们已经见过的如Θ符号。

By using the first symbol of every observation window as pilot symbols, the transmit efficiency approximates to 1. Moreover, the proposed algorithm does not require the feedback channel. The fast search for the maximum-likelihood solution can be done by sphere decoding aligorthm.

本算法只需获取每个观测窗口的第一个符号，以该符号为导频符号，其传输效率渐近为1，并且不要求系统具有反馈信道，算法中最大似然解的快速搜索可以通过球形译码来实现。

According to expatiate landscape Lansigns meaning conception, meaning generates mechanism, meaning transfers mechanism, Lansign production genre and ways of expression, clarifies the blurry cognition of landscape meaning transfer and cognitive activity, connected landscape image and irrespective Lansign, breaks through the localization of ontic meaning and makes landscape deeper and more meaningful.

通过对景观语言符号的意义概念、意义生成机制、意义传达机制、语言符号主题类型、作品类型与表征方式的系统阐述，澄清了对于景观意义传达与认知活动的模糊认识，使毫无关系的景观物象与语言符号意义联系起来。

Epistemologically misleading is the traditional semiotic account of the image_word relation since it is ontologically based on language,and as a result,the nature of sign is reduced to its phenomena.

传统符号学以语言为本体论基础来处理两者之间的关系在认识论上是误导，符号的本质也被还原为符号现象。

The method of constructing the sign patterns that allow orthogonal matrix is given.

给出蕴含正交矩阵的符号模式的一种构造方法，并证明了一类给定符号模式蕴含正交矩阵，最后对蕴含正交矩阵的符号模式中零元的个数进行了研究

This paper explained the function and the structure of graph symbolism in details, and proposed the special significance of the culture to the graph mark , it has proven the characteristic that the graph mark and the cultural is paragenesis altogether ,through the concrete socialphenomenon.

本文详细解读了图形符号系统的功能和结构，由此提出了文化之于图形符号的特殊意义，并通过具体的社会现象论证图形符号与文化的共生共融的特性。

That which is displayed in these works is a symbol of the special spirit of Xinjiang, China's people, and a symbol of bustling economic development of the modern city. I have sought to etch these symbols directly into my shots, to bring direct perceptibility and dimension to these contradictions, which need no further explaining.

在这些作品中所展现的即有西域地区人文精神特征的符号，也有现代都市经济发展忙碌的符号，出现当下的这些符号我都尽可能地印在胶片上，把这个不需要解释的矛盾直观化、平面化、立体化。

Yang Xiong, the Han era philologist, once said"Speaking is the sound to express inner heart, while writing is the drawing to describe inner world," which means language is a vocal symbol and character is a drawing symbol.

意思是，语言是表达内心思想的声音符号，文字是表达内心思想的图画符号，也就是说，文字不是通过记录语言而表意的，文字本来就不是记录语言的符号，而是直接表意。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。