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- Preconvex functions are studied by applying nearly convexity of sets in this paper. Under weaker assumptions, some equivalent conditions for preconvexity are derived. 摘要用集合的近似凸性研究函数的预不变凸性，在较弱的假设下获得了预不变凸性的一些等价条件。
- preconvex functions 预不变凸函数
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The minister has to attend all kinds of functions. 部长必须参加各种集会。
- What functions can this program perform? 这一程序有哪些功能?
- The long boom of the crane functions like our arms. 起重机的长臂与我们的手臂功能相同。
- A tissue is a group of similar cells which have an identical general function. 组织是一组具有相同的一般机能的类似细胞。
- The sofa functions as a bed at night. 这沙发在夜里可以当床。
- The position, functions, or guidance of an editor. 编辑职位编辑的职位、功能或指导
- What is his function on the committee? 他在委员会里担任什么职务?
- The sofa can also function as a bed. 这沙发也可以当床。
- Some English adverbs function as adjectives. 英语中有些副词可作形容词用。
- The heart performs a vital bodily function. 心脏起著维持生命的重要作用。
- A maximum or minimum value of a function. 极大值，极小值函数的最大值或最小值
- A style that weds form and function. 把形式与作用紧密结合的风格
- Having meaning, function, or purpose. 有意思的，有意图的，有目的的
- One's assigned role or function. 角色某人指定的角色或职务
- Salt plays an important part in the function of the body. 盐在调节身体的机能方面扮演着重要的角色。
- That notary is authorised to perform the certain legal functions. 公证人被授权执行某些法律职能。
- Growth is a function of nutrition. 长身体是由营养决定的
