World Cultural Heritage Basic Information Heritage Name: Salzburg City History Center Historic Center of the City of Salzburg Selection Time: Selection Basis: Cultural Heritage (II) (IV)...

Historical Level Irritated to the National Forestry Park in 1989. 1992 Mountain is listed as a national forest park. completed the planning and design in May 1993. Geography Environment Lo...

Works Introduction Cui Wei "Four People's Monthly Order" is the customer-operated customer business. Planted a wide range of crops; there are many kinds of livestock; handicrafts include universit...

Documentation Color white fine grain marble, hard, is a hard work, and it is the first building and engraving material. Hao Ran "Shi Shanbo": "Two stone pieces composition of stone pier, paved the...

Journal Introduction JCST is the Chinese Academy of Computer Society, which is hosted by the Institute of Computational Technology, Chinese Academy of Sciences. JCST is approved by the famous expe...

Classification aircraft and its power devices and mechanical equipment under real flight environmental conditions. It is generally divided into four types: (1) Development aircraft test. Weapons a...

Introduction May 26, 1916, "Nevada" joined the Atlantic fleet in Newport in Rhode Island, and began to perform tasks in the East coast and Caribbean until the first time World War. After Norfolk,...

Introduction In Ethernet, there is a possibility of encountering collision within a short period of time after sending data, so Ethernet cannot guarantee a certain time. It will be able to send ou...

软件测试广义上对测试有三个传统的称呼，alpha（α）、beta（β）、gamma（γ），用来标识测试的阶段和范围。alpha 是指内测，即 CB，指开发团队内部测试的版本或者有限用户体验测试版本。beta（β） 是指公测，即针对...

DPSS is a referred to as a full solidarity semiconductor laser. The latest developments in narrow pulse width, short-wavelength UV pump solid lasers (DPSS, DIODE PUMPED STATE LASER) have promoted th...

Introduction Shear intensity means the ability of the material to withstand the shear force, code σc, is perpendicular to the outer force and the axis of material, and the intensity limit of the m...

signed a reason remoteness Soviet-Japanese relations strained for a long time. As early as the beginning of the establishment of Soviet power in Russia, Japan, together with other imperialist po...

Introduction Investment refers to expenditure increasing or replacing capital assets (including plant, residential, mechanical equipment and stock) (represented by alphabetics). Investment is capi...

Version Platform Standard Edition Java platform is a Java2 platform to provide users with a program development environment. This program development environment provides development tools, softwa...

Introduction Multi-circuit commutation valve is a combination valve for two and more reversing valves. The reversing valve is a valve class that is connected to the airway of the valve body by mea...

defined through the midpoint of a line segment, and a line perpendicular to this segment, called perpendicular bisector of this segment , also known as " the vertical. " in FIG. 1, N is the mid...