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1·The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.

蝙蝠会发出我们听不到的非常高的超声波脉冲。

2·So the bat sends out these pulses, very focused bursts of sound, and echoes bounce back.

所以蝙蝠发出这些脉冲，一种非常集中的声波，然后回声就会反弹回来。

3·This perspective makes sense if you simplify the workings of a complex brain, reducing it to an array of electrical pulses.

如果把复杂大脑的运作机制简化为一系列电脉冲，那么这种观点就讲得通了。

4·Then, about 7000 B.C., within the space of a few generations, they switched abruptly to herding domesticated goats and sheep and to growing einkorn, pulses, and other cereal grasses.

后来，大约在公元前7000年，在几代人的时间里，他们突然转向放牧家养的山羊和绵羊，转而种植单粒小麦、豆类和其他谷类牧草。

5·They both felt their pulses beat faster.

他们都觉得脉搏跳得更快了。

6·Mine end is now at hand: so say these warnings, and my failing pulses do confirm it.

我的末日就在眼前，从这些警告可以看出，还有我那衰竭的脉搏确实证实了这一点。

7·By and by their pulses slowed down, and Tom whispered, Huckleberry, what do you reckon'll come of this?

过了一会儿，他们的脉搏平缓了下来，汤姆低声说：“哈克贝利，你想这事结果会怎么样？”

8·The ideal diet would consist of cereals and pulses.

理想的食谱是谷类和豆类食品。

9·All living cells send out tiny pulses of electricity.

每个活细胞都会发出微小的电脉冲。

10·Then they run pulses of current through the wire.

然后，研究人员往电线上通过一阵阵电流。

脉冲

1·The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.

蝙蝠会发出我们听不到的非常高的超声波脉冲。

2·So the bat sends out these pulses, very focused bursts of sound, and echoes bounce back.

所以蝙蝠发出这些脉冲，一种非常集中的声波，然后回声就会反弹回来。

3·She uses these pulses to determine how to polarise the photons she sends back.

她利用这些脉冲检查她送回的光量子是如何极化的。

4·If just one of the pulses - or neither of them - resonates with the strip then it remains in its existing vibrational state.

如果只有一种脉冲——两种的其中一种——与硅条产生共振，硅条只能停留于振动的状态。

5·They work by sending out pulses of high-frequency sound and then interpreting the reflections as images.To do all this, though, you need a device called a transducer.

它们的工作原理是通过发出高频声波脉冲并将反馈的信息转变成图像，为了实现这一过程，你还需要一个叫做变频器的设备。

豆类

1·Then, about 7000 B.C., within the space of a few generations, they switched abruptly to herding domesticated goats and sheep and to growing einkorn, pulses, and other cereal grasses.

后来，大约在公元前7000年，在几代人的时间里，他们突然转向放牧家养的山羊和绵羊，转而种植单粒小麦、豆类和其他谷类牧草。

2·In would come vegetables and pulses, together with yoghurt.

该多吃的是蔬菜和豆类，另外加上酸奶。

3·But when people have enough calories they need to diversify towards vegetables, pulses and meat.

但是，当人们卡路里摄入充足时，则需要有蔬菜、豆类和肉类等多样化的饮食。

4·Vegans benefit from ng, baked goods and a wider variety of grains and pulses; what's more, cooking AIDS the absorption of some micronutrients.

素食者从强化谷物、烘焙商品和多种多样的谷类豆类中收益；还有烹调有助一些微量营养素的吸收。

5·Iron is commonly found in meat, but vegetarians can source iron from pulses and leafy green vegetables.

铁通常含于肉中，但素食者可从豆类和叶类植物中获取。

(1)pulse width脉冲宽度；脉冲持续时间

(1)pulse generator脉冲发生器

(1)pulse width modulation[计]脉冲调制；脉宽灯；脉冲间隔灯

(1)pulse wave脉搏波；脉波

(1)pulse compression[计]脉冲压缩

(1)electromagnetic pulse电磁脉冲