A chain of intellectual breakthroughs followed, generating better ways of measuring and counting, and cracking the codes of physics, chemistry and biology.
一系列智能突破随之而来，他们产生了更先进的度量和计算法，破解了物理、化学、生物的奥秘。
Control part of the main chain of the transmitter sends out pulses of frequency, duty cycle and sparse modulation and counting and detection distance control.
控制部分主要对发送器发出的脉冲链频率、占空比及稀疏调制和计数及探测距离等进行控制。
The only machinery we own (not counting the lawn mower) is a little three-horsepower rotary cultivator and a 16-inch chain saw.
我们仅有的机器（不包括割草机）是一台3马力的小型旋转式耕耘机以及一架16英寸的链锯。
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