1) direction focusing
方向聚焦
2) first-order directional focusing mass spectrometer
一级方向聚焦质谱计
3) trend
方向
1.
Development trend of Yunnan province's sulphuric acid and phosphorous fertilizer industries;
云南省硫酸磷肥工业的发展方向
2.
Current papermaking equipment research and its developmental trend;
当前造纸设备研究与发展方向
3.
This article has reviewed the development and application of corrosion protective coatings at home and abroad and indicated the development trend.
概述了国内外高性能防腐涂料主要品种的开发和应用情况,并提出了高性能防腐涂料的发展方向。
4) orientation
方向
1.
Problems and orientation of fertilizer management in Guangdong;
广东省肥料管理的问题与方向
2.
The Identification, Rule and Orientation of Modification of the Agriculture Structure;
农业结构调整的特点、原则和方向
5) directions
方向
1.
The main existed problems at present of the industry are pointed out, and the development directions of the national polycarboxylicates water-reducing admixture industry are discussed.
从我国聚羧酸系减水剂工业的研究、生产、销售和应用等方面分析了其发展现状,指出了目前发展存在的主要问题,并探讨了聚羧酸系减水剂工业发展方向。
2.
This article introduces the airflow mill's principle, development history, types, functions, application range,main national manufactories,national and international development directions,explains the ways to reduce the airflow mill's energy consumes and increase its efficiency.
介绍了气流粉碎的原理、发展历史、主要机型及其性能、应用范围和国内主要生产企业的产品,以及降低能耗、提高效率的途径与国内外发展方向。
3.
This paper comments on the tourism resources firstly, then puts an emphasis on the goals of sustainable development, and lastly, puts forward the principles of tourism developing and the directions of its tourism development.
本文首先对安顺屯堡文化旅游资源进行述评,指出屯堡文化旅游可持续发展的目标,并在此基础上进一步提出了屯堡文化旅游开发原则和方向。
6) tendency
方向
1.
Study on Current Status and Development Tendency of Greening in Forest Industry System of Heilongjiang Province;
黑龙江省森工绿化现状及近期发展方向浅析
2.
Research Advancement and Development Tendency of New Variety Breeding for Sweet Potato with Good Quality and Specified Usage;
优质专用甘薯新品种研究进展及发展方向
3.
The establishment of an optimized process flow for new generation iron and steel production as well as the tendency and the targets of technological innovation are put forward.
论述了钢铁工业与技术创新的关系,提出了我国新一代钢铁制造流程的优化问题,指明了钢铁工业技术创新的方向和目标,并强调要用新型工业化道路的思维应对21世纪我国钢铁工业的挑战。
参考词条
补充资料：冲击波聚焦效应
[解释]： 核爆炸远区的弱冲击波受某些气象条件影响，使空中冲击波折向地面，产生会聚加强的现象。弱冲击波的聚焦效应主要决定于大器温度和风速随高度的变化。在某些情况下，大气对流层以下会出现温度随高度增加的温现象，有的地区和高度通常有随高度而增加的季节风、高速风等现象，导致空中冲击波的传播速度和方向发生变化，并在某一高度上折向地面，在距爆心数十到数百千米的某些空间和地面区域内会聚加强，使聚焦区内的冲击波超压大大超过该距离处正常情况下的冲击波超压。因此，在聚焦区内可听到巨大的响声、门窗玻璃、民房等建筑物会被冲击波破坏，甚至影响飞行中飞机的安全。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。