Because in the linear portion of the curve where Hooke's Law holds, I could hang a weight on the rope... or on the rod and I could let it oscillate vertically.
在曲线的胡克定律，所适用的线性区域内，在绳子上挂一重物。，或者挂在棒子上，然后让它垂直振荡。
He sums up the ambivalence of many who oscillate between seeing modern South Africa as a glass half-empty or a glass half-full.
他总结了人们的矛盾心理——他们看现代南非时总在“半杯空”和“半杯满”两种看法之间摇摆。
They can “oscillate” or change identities, which means that the mu neutrinos produced at the LHC can turn into tau neutrinos which the OPERA detector is designed to measure.
它们能“振动”或改变形态，这意味着LHC产生的μ子中微子可以转变为OPERA探测器设计用来测量的τ子中微子。
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