1.
The Condition of the Continuous Self-mapping of Unit Solid Body in R~n with Prime Periodic Points;
N维单体上的连续自映射有素周期点的条件
2.
perigee-to-perigee period
近星点至近星点周期
3.
In the urine of pill-taking anovulatory women,the features were the considerable rise of oestrogen at the rear half cycles.
服药后无排卵的妇女尿中雌激素周期变化的特点是雌激素在后半周期有较大幅度的升高。
4.
The relation of the elements of a periodic family or group.
同周期同一周期族或组的元素的关系
5.
"Zinc: Metallic chemical element, chemical symbol Zn, atomic number 30."
锌 化学元素,周期表IIB族(锌族)低熔点金属,化学符号Zn,原子序数30。
6.
Period of element law discovery and development--the commemoration period of element law discovers 140th anniversary
元素周期律的发现和发展——纪念元素周期律发现140周年
7.
Teaching of Periodic Table of Elements;
主族元素族序数的快速推断法——元素周期律周期表教学一则
8.
Every business cycle is unique.
每次商业周期各有自己的特点。
9.
The trough is the lowest level of the cycle.
谷底是整个周期的最低点。
10.
The Studies on Morphology Characteristics of Ovaries in Sheep during Genesial Cycle;
绵羊生殖周期卵巢形态学特点的研究
11.
The Research on the Tactic Turning Point Based on the Enterprise Life Cycle;
基于企业生命周期的战略转折点研究
12.
The Life Curve and Peak Forcasting of China Steel Industry;
产业生命周期与中国钢铁产业极值点
13.
The Operational Characteristics of Multi-stage Responding Time in a Supply Chain;
供应链多阶响应周期的运作特点研究
14.
Analysis of Sampling Period Based on Pole Placement
基于极点配置的采样周期分析(英文)
15.
Chaotic Properties of Subshifts Generated by a Nonperiodic Recurrent Orbit
非周期回复点生成子转移的混沌性质
16.
A column in the periodic table of the elements.
属，族元素周期表上的一栏
17.
Body temperature and the secretion of the hormone melatonin follow the daily cycle.
体温及褪黑素分泌都受周期影响。
18.
Silicon is one of the most studied elements in the periodic table.
硅是周期表中最熟悉的元素之一。