The stream of positive particles that meets the surge of electrons from the cloud often arises from a tall pointed structure such as a metal flagpole or a tower.

来自云层的电子流与正粒子流相遇，而这些正粒子流通常来自于高而尖的结构，如金属旗杆或塔。

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There was another positive element that resulted from the introduction of high speed trains.

高速列车的引进带来了另一个积极因素。

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One positive outcome that could arise from bumping into a friendly ETI is that it takes our fledgling race under its wing (tentacle).

若是遇到友善的外星智慧生物，其积极后果之一就是会将我们这个幼稚的文明置于其卵翼（或触手）之下。

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Economist Rebecca Blank with the Brookings Institution here in Washington was optimistic that positive results will come from efforts to prevent more job losses and mortgage defaults.

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That's not a positive and negative charge, that's actually a phase, and that arises from the wave equation.

这不是指正负电荷，它是指相位，这是从波函数中得来的。

麻省理工公开课 - 化学原理课程节选

And when we're talking about the amplitude of the wave, we're talking about the deviation from that average level. So, if we define the average level as zero, you can have either a positive amplitude or a negative amplitude.

当我们讨论一个波的振幅时,我们说的是偏离平均位置的量,如果我们把平均位置,定义为零的话，那幅值不是,正的就是负的，有时候人们在。

麻省理工公开课 - 化学原理课程节选

When formulating your media messages, sort out those that are completely positive from those that contain mixed or negative elements.

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Applbaum acknowledge this, but says that from his perspective that was a positive thing.

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Coming ahead of the Toronto G-20 meeting this was excellent timing from Beijing, and will allow a positive mood to emerge from that meeting.

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