取120个值计算平均数。Take a hundred and twenty values and calculate the mean.把它们相加再除以5就是平均数，明白吗？Add them together, divide by five, and you've got the average. Okay?在新英格兰人们的收入通常比全国平均数低10%.Income in New England is commonly 10 ...
在一场旋风式的恋爱后他很快就结婚了。He got married after a whirlwind romance.经过一场旋风式恋爱, 他们结了婚,到巴斯生活去了.After a whirlwind courtship, they married and went to live in Bath.昨晚异常猛烈的旋风吹袭了那个小镇.An exceptionally violent cyclone hit the town last n...
移频键控是短波数字通信中常用的一种调制方式.The Frequency Shift Keying modulation is widely used in HF digital communication.本文研究了一种基于自适应算法的解调差分相移键控(DPSK)信号的方法.This paper deal with the DPSK demodulation method based on adaptive algorithm.相移键控...
菲律宾只剩下6,000平方公里的森林了。The Philippines has just 6,000 square kilometres of forest left.我们在下午启航,前往菲律宾.We weighed anchor in the afternoon and started for the Philippines.菲律宾部分地区仍然居住着一些原始部落.Wild tribes still inhabit part of th...
Typical framed structures are beams, grids, plane and space frames or trusses.典型构架结构为梁 、 格栅 、 平面的和空间的框架或桁架.The machines deliver trimmed grids for use or stock.这种机器铸出修整过的板栅,以供使用或储存.To guarantee this condition, the grids a...