The vegetation features and biomass of sandy rangeland in semi-arid area of Yanchi County,Ningxia were studied by means of plot investigation methods since 1991.
采用样地调查法,对盐池县1991年以来不同时期的老封育区、新封育区和对照区进行半干旱沙地草场的植被特征及其生物量比较研究。
In this paper, we selected three treatments for sandy rangeland in semiarid area, i.
作者选择完全封育、季节封育和未封育3种措施进行对半干旱沙地草场的植被特征及其生物量进行比较研究,结果表明,在封育处理的年份中,不同封育措施(放牧压力)是决定植被差异的主要因子。
The vegetation features and biomass of sandy rangeland in semi-arid area of Yanchi county were studied by means of plot investigation methods since 1991.
采用样地调查法对盐池县1991年以来不同时期的老封育区、新封育区和对照区进行半干旱沙地草场的植被特征及其生物量比较研究。
The extrapolation on the origin of geomagnetic field and the change of Curie temperature along with the intensity of pressure;
地球磁场的成因与居里点随压强变化的推测
This paper provides an analysis of the intensity distribution of geomagnetic field,and the variation of the three elements of magnetic field with the change of locality and time.
分析地球磁场磁感应强度的分布、磁场的三要素随着地理位置以及时间的变化情况,并对磁暴发生的特点、原因进行了探讨。
With the forming mechanism of ozone sphere,the relationship between geomagnetic field and ozne s distribution was studied elementarily by analysing some observations on the distribution and the change of geomagnetic field with some observations on the distribution and the change of ozone sphere.
对比分析地球磁场和臭氧层在分布及变化上的一些观测结果 ,并结合臭氧层的形成机理 ,初步探讨地球磁场与臭氧分布的联系。
Volleyball court. Use for concrete, grass, or sand court.
排球场。使用混凝土、草地或沙地球场。
The aim of both Volleyball and Beach Volleyball games is to pass the ball over the net so that it hits the ground on the opponent's court, while preventing the opposing team from doing the same.
排球和沙滩排球的目标是击球过网，使球落在对手的场地上，同时防止对手用同样的手段得分。
During play on clay, and even hard courts, dirt and grit lodged between the strings can increase friction.
当在粘土地打球时，或者硬地球场，脏的细沙粒会留在拍子上增加球线间的摩擦。
Badminton court. Use for both grass and hard court.
羽毛球场。草地球场和柏油地球场均可。
turfed soccer cum hockey pitch
草地足球场兼曲棍球场
And substitution is not allowed for the beach volleyball. But for each five points, the two teams will change ends, for instance, when they are 3-2 or 5-0.
还有，沙滩球不允许换人，但每5分交换一次场地，比如说2或0后。
Discussion on the Attack Success Proportion be Influenced by the Small Area after Revision the Rule of Beach Volleyball;
谈沙滩排球规则修改后场地缩小对进攻成功率的影响
courser of desert and semidesert regions of the Old World.
东半球沙漠或半沙漠地区的走鸻。
The seasoned golf professional accepted this defeat by the young player with a light heart– after all, he had coached her.
那位久经沙场的高尔夫职业球员轻松愉快地承认自己被那年轻球员所击败－毕竟当过她的教练。
How to Tap the Beach Volleyball Market in Xiamen:An SWOT Analysis;
厦门市开发沙滩排球市场的SWOT分析
Do you prefer grass or hard courts?
你喜欢草地球场还是硬地球场？
Seismic Field Processing Technique of the Desert Area in Saudi
沙特沙漠地区现场地震资料处理技术研究
and sand will bury everything on land in 2, 500 years.
到2500年后沙地将埋葬地球上的一切。
A park or stadium in which ball games are played.
球场进行球类比赛的场地或体育馆
pitch：The playing field for hockey.
曲棍球场：曲棍球进行比赛的场地。
Flow Field Simulation and Sand Flux Computation of Complex Terrain;
复杂地形下的风沙流场模拟及输沙率的计算
Experimental Study of Mechanical Transfer Property on Sands and Dynamic Character of Spike with a Jump in Beach Volleyball;
沙地力学传递特性的实验研究及沙滩排球扣球起跳的动力学特征
electric indicator for racecourses, football, stadiums bowling alleys
电动指示器,跑道、足球场、地滚球戏球场用