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- He varied the transmission frequency. 他变换了无线电传送的频率。
- A proton or a neutron, especially as part of an atomic nucleus. 核子质子或中心，尤指作为原子核的一个组成部分
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- proton frequency 质子绕转频率
- Proton and neutron form a charge doublet. 质子和中子构成电荷双重态。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Diphenylmethane would have a two proton peak. 二苯甲烷必定有一个二质子的峰。
- Nitroform is such a strong proton donor. 三硝基甲烷是一个极强的质子给予体。
- The electron continues to whirl about the proton. 电子继续绕着质子转。
- The proton and electron are certainly long-lived. 质子与电子当然可算长寿了。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Does the proton finally come to rest? 这个质子最终会静止吗?
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Proton Conductivity Study of Nafion? 复合膜的质子传导性能研究?
- And is therefore an acid (proton donor). 因此它又是个酸(质子供体)。
- The Proton plant was built 5 years ago. 普腾工厂是5年前设立的。
- Proton Therapy: Less Cancer Recurrence? 质子治疗：较少癌症复发？
- How come they cannot escape the proton? 夸克为什么不能从质子中脱离出来呢？
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- There is one proton,or equivalent,per mole of KHP. 每摩尔的KHP含等量的H离子数。
