斯科特•塞缪尔博士向公共科技图书馆提交了实验结果，即那些移动速度慢，色彩不强烈的矩形对志愿者造成的错觉不明显。
The upshot, as Dr Scott-Samuel reports in the Public Library of Science, was that participants were not fooled by slowly moving rectangles, nor by low-contrast ones.
电子很小可以移动，锂离子大一些移动的速度慢一些。
Electrons are small and mobile but lithium ions are much larger and slower.
移动计算设备如pda、手机等具有资源少、网络速度慢的特点，因而其接收电子邮件的速度较慢。
Mobile computing devices such as PDA, mobile phone are of limited resource and slow Internet access capability, so the speed of receiving email is relatively slow.
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