它有一个较亮的半球面和一个较暗的半球面，并且有着古怪的外形，两极平坦凹陷，并且有着环绕球体半圈的赤道脊，使它看上去像一个核桃的外形。
It is two-toned - one half is black, the other shining white - and strangely shaped, flattened at the poles and squashed at the sides as well.
用避暗实验法和自主活动法，分别观察了非均匀恒磁场N极、S极对急性低压缺氧引起的学习记忆障碍的影响。
The step through test and independent activity were used to observe effect of uneven constant magnetic field pole N and S on learning and memory impairment induced by hypobaric hypoxia .
谁知贾菌年纪虽小，志气最大，极是淘气不怕人的。他在座上冷眼看见金荣的朋友暗助金荣，飞砚来打茗烟。
This hot-tempered, fearless little scamp had watched indifferently while One of Jin Rong's friends hurled an inkstone at Mingyan.
模仿加热采用发光二极管的亮暗模仿地暖加热模块的任务的启停。
Simulation heating light-emitting diodes light and dark by the simulated the ground heating module start-stop work.
模仿加热采用发光二极管的亮暗模仿地暖加热模块的任务的启停。
Simulation heating light-emitting diodes light and dark by the simulated the ground heating module start-stop work.
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