1.
Analysis on Fluctuation of Soybean Acreage in China:Trend,Reason and Policy Suggestion;
中国大豆播种面积波动:趋势、成因及政策建议
2.
Analysis of the Influence of Grain Price Changes on the Acreage of Grain;
浅析粮食价格变动对粮食播种面积的影响
3.
In determining the attenuation for an areal array we must specify the direction of the wave travel.
在测定一种面积组合的压制性能时，我们必须明确波的传播方向。
4.
The sown area of grain was decreased by 30.7 percent to 3.207 million mu.
粮食播种面积为320.7万亩，调减幅度为30.7%；
5.
The plant protection coverage in other major crops such as rice, sugarcane, wheat, fruits and vegetables is only limited to 15-20% of the cropped area.
水稻、甘蔗、小麦、水果和蔬菜的植保面积只限于播种面积的15~20%。
6.
Meanwhile, the total sown area was 3,404,120 ha, double the 1955 figure.
全疆总播种面积达到3404.12千公顷，比1955年扩大1倍；
7.
Modeling sown area change for major crops during 2005~2035 at a global scale;
2005~2035年全球农作物播种面积变化情景模拟研究
8.
Effect of Sowing Date on Yield and LAI of Supper Japonica Rice
播种期对粳型超级稻产量及叶面积指数的影响
9.
Comparison of the Properties of Plane Electromagnetic Wave Transmitting in Two Different Media;
平面电磁波在两种不同媒质中传播特性的比较
10.
THE TEST OF TRANSMISSION LOSSES OF ULTRASONIC ECHOES BASED ON THE AREA OF POWER SPECTRUM IN SOLID HORN;
基于回波信号功率谱线面积的变幅杆传播损耗的研究
11.
We should master and develop various kinds of modern communication means and promote the spreading of the advanced culture.
要努力掌握和发展各种现代传播手段，积极推动先进文化的传播。
12.
a medium (art or business) that disseminates moving pictures.
传播活动画面的一种媒介（艺术或商业）。
13.
The disturbance is sound wave, conforming to the laws of acoustic propagation in solids.
这种扰动是种声波，它遵从在固体中声波的传播规律。
14.
The grain-sown area will be stabilized at about 110 million ha through the increase of the multiple crop indexes.
通过提高复种指数，使粮食作物播种面积稳定在1.1亿公顷左右。
15.
Regression model on the total value of agricultural output against the cultivated area of the crops in Baotou
包头市种植业总产值对农作物播种面积的回归模型
16.
The area ploughed, sown and harvested by machines exceeded 300,000 hectares, and the area planted to improved strains reached 160,000 hectares, or 72 percent of the region's total farmland.
全区机耕、机播、机收面积总量达３０多万公顷，良种推广面积达16万公顷，良种覆盖率72％。
17.
a wave that lifts the surface of the water or ground.
一种抬高水面或地面的波动。
18.
Changes of the Rice-Seeded Area in Beijing and Tianjin Region during the Past 50 Years and Its Responses to the Changes of Precipitation
京津地区近50年来水稻播种面积变化及其对降水变化的响应研究