1.
Weakly persistence in the mean and extinction of Logistic single population with harvesting in a polluted environment
污染环境中具有捕获的Logistic单种群的弱平均持续生存与绝灭
2.
With the average lifespan, marriage and childbearing ages all continuing to rise,
鉴于平均寿命、适婚年龄、和生育年龄持续上升，
3.
All of these groups continue to have above-average birth rates.
所有这些族群出生率将继续维持在平均数以上。
4.
Steady increase of average national income and consumption
国民平均所得及消费水平持续升高
5.
In America, they last about two years on average.
在美国，同居关系平均持续两年左右。
6.
The mean onset of headache was 3.4 days (range, 2-32 days) after delivery.
结果：产后头痛平均持续时间为3.4天。
7.
The average recession lasts just 11 months.
一次衰退平均持续时间只有11个月。
8.
Random Views on Existence · the Questions of Existence · Philosophy of Existence and Sustainable Development;
生存·生存问题·生存观念与可持续发展散论
9.
For the second year in a row, moreover, same-store sales, measured in pounds, were virtually unchanged.
同时连续第二年单店平均营业额维持不坠，
10.
Accelerate Sustainable Development of Education to Raise Average Educational Level
促进教育持续发展,提高人均受教育水平
11.
THE CHARACTERISTICS OF THE LARGE SCALE MEAN CLOUDINESS OF CONTINUOUS HEAVY RAIN OVER CHANGJIANG AND HUAIHE RIVER BASIN IN 1991
1991年江淮流域持续暴雨的大范围平均云量特征
12.
A New Model of Average Break Arc Duration between Relay Contacts
继电器平均开断电弧持续时间的新模型
13.
RESULTS: The median survival was 11 months, with a 3-year survival of 24%.
结果：平均生存时间是11个月，3年生存率为24％。
14.
The worst conditions are in places like Haiti, Gambia, and Cambodia, where residents subsist on an average of fewer than six liters per day.
最糟的情形出现在海地、冈比亚、柬埔寨等地，这些地区的居民平均每天仅靠不足6升水维持生存。
15.
Average reflex threshold volume, average reflex latency and average reflex duration were markedly different in SIND, MIND and FC group.
但平均反射阈值、均反射潜伏期及平均反射持续时间之间却有显著差异。
16.
Comparison between Hebei Province and national average level in sustainable development capabilities:analysis and solutions;
河北省可持续发展能力与全国平均水平对比分析及对策
17.
The Exsistence and Extinction of a Kind of General Logistic Population;
一类广义Logistic种群的持续生存和灭绝
18.
Permanence of a Nonautonomous Stage-structured Mutually System;
非自治阶段结构互惠系统的持续生存