While other elements within a channel may stay constant, items are likely to change frequently.
频道中的其他元素可能不变，但项经常发生变化。
2
Single long molecules of DNA are then fed into a microfluidic chip, where hydrostatic pressure pulls them at a constant speed through a narrow channel.
然后单独的长的DNA分子被送入微流控芯片，静水压通过一个窄的通道以恒定的速度牵引它们。
3
But constant feedback is exactly what users need. It's simply the channel of communication that needs to be different.