从具体的定量衡量的角度看，描述操纵风险经常采取的函数外形是浴缸型的（bathtub shape），即：一个操纵性的体系在引入初期，员工缺乏经验，经管上存在漏洞，因而呈现操纵风险的概率较高；跟着体系的运行正常，风险频率...
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Designed by Italian company Rexa, this bathtub features clean organic shape that will complement any modern bathroom.
由意大利rexa公司设计的浴缸，突出干净自然的造型，能够与现代浴室相辅相成。
It was a small vacuum chamber, about the size and shape of a bathtub stopper, that contained a plunger and spring, and had two small air hoses attached to it.
它是一款非常小巧的真空管，形状和大小如浴缸塞，内含一个柱塞和弹簧，由两个小型空气软管连接。
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