第6節

has been found that certain bats emit squeaks and by receiving the echoes, they can locate and steer clear of obstacles------or locate flying insects on which they feed. This echo-本地 in bats is often pared with radar, the principle of which is similar.

人們已經發現，某些蝙蝠發出尖叫聲並靠接受回響來鎖定和避免障礙物——或者找到它們賴以為生的昆蟲。蝙蝠這種回響定位法常拿來和原理與之很相近似的雷達相比。

100. As the time and cost of making a clip drop to a few days and a few hundred dollars, engineers may soon be free to let their imaginations soar without being penalized by expensive failure.

隨著芯片製造時間和費用降低到了幾天和幾百美元，工程師們可能很快可以任他們的想象馳騁而不會被昂貴的失敗所懲罰。~思~兔~在~線~閱~讀~

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