您要查找的是不是：
- pulse ratio encoding 脉冲比编码
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- He knew the pulse of the nation. 他了解国民的心态。
- The doctor took my temperature and my pulse. 医生量了量我的体温和脉搏。
- The excitement quickened my pulse. 激动使我的心跳加快。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- He knew the pulse of the people. 他了解人民的意向。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Echo pulse ratio and attenuation of ultrasound method for the measurement of concentration of suspended particles 回波脉冲比值与声衰减法测量悬浮颗粒浓度
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- Pulse width modulation (PWM) is an analog signal level for digital encoding. 脉冲宽度调制（PWM）是一种对模拟信号电平进行数字编码的方法。
- Pul is a short form for pulmonary. 应该是肺部气体栓塞吧!
- Anomalous Pul mo nary Venous Drainage=? +肺静脉畸形引流=？
- The music's throbbing pulse was giving me a headache. 那乐曲的强烈节拍令我头痛。
- His pulse was at as high as a hundred. 他的脉搏高达每分钟一百次。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- A pulse or circuit that initiates the action of another component. 触发器，触发电器引发其他部件运动的脉冲或电路
- The ratio of men to women was two to one. 男女的比例是二比一。
