根据2000年发表在《放射线学》一项研究，孕期第24周时，磁共振成像显示，在胎儿原本平滑的大脑皮层上出现了一些新的沟槽。
At 24 weeks, magnetic resonance imaging shows just a few nascent grooves in the otherwise smooth surface of the fetal brain, according to a 2000 study in the journal Radiology.
虽然你能看到表内机芯，但手表表盘是模拟X射线的外观。
The dials of the watch simulate the look of an X-Ray, as though you are seeing the movement below.
虽然你能看到表内机芯，但手表表盘是模拟X射线的外观。
The dials of the watch simulate the look of an X-Ray as though you are seeing the movement below.
文中的表1包括100个发射线天体，其中的96个是发射线星系；其余的对象有3个行星状星云，1个发射线星。
We find a total of 100 emission-line objects, of which 96 are galaxies, the rest being 3 planetary nebulae and 1 star.
文中的表1包括100个发射线天体，其中的96个是发射线星系；其余的对象有3个行星状星云，1个发射线星。
We find a total of 100 emission-line objects, of which 96 are galaxies, the rest being 3 planetary nebulae and 1 star.
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