A. 123variable(123 变量) B. my_variable(我的变量) C. this is a variable(这是一个变量) D. variable@(变量@) 相关知识点: 试题来源: 解析 B。在编程中,变量名通常由字母、数字和下划线组成,且不能以数字开头,不能包含空格和特殊字符。选项 A 以数字开头错误;选项 C 有空格错误;选项 D 有特殊字...
A. 123variable. B. variable name. C. my_variable. D. variable@name. 相关知识点: 试题来源: 解析 C。变量名通常由字母、数字和下划线组成,且不能以数字开头,也不能包含特殊字符。A 选项以数字开头不符合要求。B 选项中有空格不符合规范。D 选项中有特殊字符@不符合要求。反馈...
It is defined as both a graphical and diagrammatic presentation of data. It is used for presenting a fluctuation in price, sales, and temperature. Answer and Explanation: The correct option is: E) X chart Explanation: Variable chart example is x...
动态SELECT语句的定义是在运行时才知道对象名称的查询，B选项准确描述了这一特性，所以B选项正确。
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A. myFunction B. myVariable C. myObject D. myMethod 相关知识点: 试题来源: 解析 A。在编程中,函数通常以特定的命名方式,比如 myFunction。选项 B“myVariable”是变量名。选项 C“myObject”是对象名。选项 D“myMethod”是方法名。反馈 收藏 ...
题目Which of the following is NOT given as an example of a qualitative variable? A. Gender. B. Height. C. Type of personality. D. College major. 相关知识点: 试题来源: 解析 B解析:选项B是quantitative variable(数量变量)。反馈 收藏
Which of the following is an example of a constraint? A. {eq}L + W {/eq} B. {eq}\log(LW) {/eq} C. {eq}L + W < 5 {/eq} D. {eq}\mathrm{min} \, AB {/eq} Functions: A function represents the relationship between various ...
17. Which of the following is an example of an activity undertaken by an entrepreneur? A) designing your landscaping for your new home B) holding a position as the president of a liberal arts college C) running for the president of the United States D) starting your own pet sitting busine...
athe battery is cushioned with silicon foam pads for electrical and vibration isolation. 电池用硅泡沫垫缓冲为电子和隔振。[translate] aexample, in a three-variable experiment in which two of the variables are 例子,在一个三易变的实验在哪些二可变物中是[translate]...