The underwater drones then fire signals, measuring variations in height down to the tiniest detail.

然后水下无人机发射信号，测量高度的变化，甚至是最小的细节。

As the boat begins to sink, Violet creates a signal fire and a rescue boat assists them.

当船开始下沉时，维奥莱特发射了一个信号火，一艘救援船帮助了他们。

Each neuron is thought to be connected to about 7,000 other neurons, so every time a specific neuron fires a signal, 7,000 other neurons get that information.

每个神经元被认为与大约 7000 个其他神经元相连，所以每次一个特定的神经元发出信号，7000 个其他神经元得到信息。

The development of optogenetic tools has allowed us unprecedented control over specific neurons in the brain and how they talk to each other by firing electrical signals.

光遗传学工具的发展使我们能够前所未有地控制大脑中的特定神经元，以及它们如何通过发射电信号相互交流。

Those last three are called latent pacemakers, and they have slower depolarization rates - which is the rate at which they fire off electrical signals - and they get slower as you move further down.

后三者被称为潜在起搏点，他们的去极化速率更慢（在这个速率下它们发射电信号）向下级更远处传导时，它们会变得更慢。

It involves modifying nerve cells (neurons) so that they fire electrical signals when they're exposed to certain wavelengths of light, equipping neuroscientists with the power to precisely control neuronal signalling within the brain and elsewhere.

它涉及修改神经细胞（神经元）， 以便它们在暴露于特定波长的光时发射电信号，从而使神经科学家能够精确控制大脑和其他部位的神经元信号。