1.
tera hertz
兆兆赫兹, 兆兆周
2.
or 1420 megacycles per second.
即秒1420兆周的精确无线电频率。
3.
Contact HKG approach on 119.1MC.
在119.1兆周与香港进近联系。
4.
If contact Guangzhou Control is broken, Please switch back (turn back) to 118.1MC.
如与广州管制联络中断，请回到118.1兆周。
5.
Hightower: We did two global routes in one megacycle!
我们在一兆周内造了两条环球线路!
6.
This depends on the precise radio- frequency of the 21- cm wavelength, or 1420 megacycles per second .
这种方法依靠21厘米波长或每秒1420兆周的精确无线电频率。
7.
Read you very weak Unable copy your position(message). Please change over to 119.7MC.
听你声音非常弱不能抄收你位置（电报），请转到119.7兆周。
8.
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通迅联系要靠21厘料波段，即每秒1420兆周的精确无线电频率。
9.
Ten weeks later, those first four starts seem more like an omen.
十周后，那前四场先发更像是个预兆。
10.
STUDY ON PRE-SLIP PRECURSOR OF THE EARTHQUAKE--LONG PERIOD PRECURSORY SEISMIC WAVE
预滑与地震前兆——长周期波动研究
11.
A Study on the Correlation between the Cell-Free Fetal DNA in Maternal Blood and Threatened Prepmature Delivery;
母外周血胎儿DNA浓度与先兆早产的相关性研究
12.
Seere preeclampsia that deelops at morbidity rates.
发生在34孕周以前的重度先兆子痫有高围产期死亡率和患病率。
13.
Associations between Periodontal Status, Serum Cytokine Levels, and Delivery Outcomes in Pregnant Women with a Diagnosis of Threatened Premature Labor;
先兆早产孕妇牙周病、血清细胞因子水平与妊娠结局的关系
14.
An omen or foreboding, especially of evil.
预示，预兆，凶兆预兆或凶兆，尤指不幸的
15.
"boding:an omen or foreboding, especially of evil."
预示,预兆,凶兆:预兆或凶兆,尤指不幸的。
16.
The Detection of Estradiol in Pregnancy Serum from 4 to 8 Weeks of Pregnancy and Inquiry into the Relation of It and Threatened;
4～8周妊娠孕妇每周血清雌二醇水平测定与先兆流产关系的初步探讨
17.
A high resting pulse rate, which can be a manifestation of increased sympathetic nervous activity, is a well-known predictor of subsequent hypertension.
静息脉率加快可能是交感神经活动增强的表示，它也是众所周知的高血压先兆。
18.
Doomsayers are pointing to last week's strange celestial events as signs that prophecy is being fulfilled and the world may be coming to an end.
末日的恐惧和上周的奇怪的事情被人们视为预言就要实现的征兆，现在的世界将终结。