要使用不同的登录名称，请在主机名前加上该登录名称，并使用 @符号分开。
To use a different login, prefix the hostname and separate the two with the @ sign. For example
您可能已经看到，XQuery中通过在标识符前加上美元符号（$）来定义变量。
You've already seen in XQuery that a variable is defined by putting a dollar sign ($) in front of an identifier name.
到公元前2300年，所需的符号数量已减少到600个，词汇可表达的范围也扩大了。
By 2300 B.C.E. the number of signs required had been reduced to 600, and the range of words that could be expressed had widened.
相反，到距今3万年前一系列符号就已经完善地建立起来了。
Instead, it appears that by 30, 000 years ago a set of symbols was already well established.
如您在图3中所见，若要显示系统所编目的所有DB 2系统，可以通过单击systems前的+符号来展开对象树。
As you see in Figure 3, to display all the DB2 systems that your system has cataloged, expand the object tree by clicking on the + sign next to systems.
放在表达式前表示被开方根的符号。
学龄前儿童的“图形语言”，指的是包括绘画、图解等形式在内的，可用于儿童自我表达与表现的视觉符号体系。
"Graphic language" is a symbol system which enables preschool children to express themselves in a visual way through drawings and illustrations.
迭戈马拉多纳是阿根廷的足球天才同时也是足球界备受争议的符号。这位前阿根廷球星现在正执教阿根廷国家队征战2010南非世界杯。
Diego Maradona is the talented but often controversial soccer icon from Argentina. The former star player is the current head coach for the Argentines at the 2010 FIFA World Cup in South Africa.
癌基因符号前的前缀“v-”表明获得性及由反转录病毒传递的癌基因。
A prefix of "v-" before oncogene symbols indicates oncogenes captured and transmitted by RETROVIRUSES;
当然，你应该尽量在考试结束前留出时间检查作文中的语法、拼写和标点符号的使用，从而尽量避免出现错误。
Naturally, you should try hard to avoid all errors by leaving time at the end of the Writing Test to check your work for grammatical mistakes, spelling, and punctuation.
他认为，远在公元前30,000年以前，猎人可能会用一套刻在骨头和石头上的符号系统来标记月相。
He believes that as far back as 30,000 B.C., hunters may have used a system of notation, engraved on bone and stone, to mark phases of the Moon.
前两个样式规则设置ul元素，使所有li子元素水平显示，而且前面不显示符号。
The first two styling rules set up the ul element to display all the li element children horizontally with no bullets.
研究显示，最为流行的表情符号是“笑脸”，然后是“哭笑不得”，“非礼勿视的猴子”表情流行度也位列前十。
The most popular emoji, according to the study, is the 'smiley face' followed by the 'crying with laughter face'. The 'See no evil monkey' rounded off the top 10.
考虑到惟一性，您可能需要在属性名前加上一个能够被视图或操作识别的区别符号。
You may need to preface the property name with a distinguisher identifiable by the view or action for uniqueness.
绳文时代（10 000 -公元前300）后期的特征是被称为dogu的醒目的粘土小雕像，它们大多描绘女性，可能具有生育符号的功能。
Characteristic of the late Jomon period (10, 000–300 BCE) are the striking clay figurines known as dogu, which mostly depict human females and may have functioned as fertility symbols.
绳文时代（10 000 -公元前300）后期的特征是被称为dogu的醒目的粘土小雕像，它们大多描绘女性，可能具有生育符号的功能。
Characteristic of the late Jomon period (10, 000–300 BCE) are the striking clay figurines known as dogu, which mostly depict human females and may have functioned as fertility symbols.
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