This type of shape was mathematically postulated over a century ago, and has now been shown to describe the genome’s three-dimensional structure.
早在一世纪前，数学家就提出过这种构造的假设（译注：指希尔伯特曲线），现在这种假设就被应用于对人类基因组立体结构的描述。
From the aspects of grain size, impurity shape and size, structure type and so on, the control or influence factors of pipeline toughness are discussed.
本文从晶粒尺寸、夹杂物形态和大小以及组织结构类型等几个方面论述了管线钢韧性的控制或影响因素。
In folder type phones, the phone structure usually seriously limits the size and shape of the cellular antenna.
在文件夹类型的手机，手机结构通常严重限制了细胞的大小和形状天线。
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