查询词典 engineering economy

With the development of modern society, differential equations is widely used in engineering astronavigation, economy, financial etc.

在力学、物理学、生态学、生物学、经济学等多种应用技术中往往用时滞微分方程比常微分方程来刻划更符合实际。国内外学者也对时滞泛函微分方程的基本理论及定性理论进行了卓有成效的研究。

High-speed, muti-services and economy have become the major issues of the futUreIP backbone technology As far as thes poiflt is concerned, thes paPer explores layer 3switdrig technology Which seParates control comPonent and fOrward comPontal in thetraditional roulers. TWo forwarding al gori thms ----d ata-driven mo d el and top olo gy drivenmodel are also comPared, a next generation IP backbone echno l o gy---- Multiproto co lLabel Switching is developed, with its operation and its dePloyInent in traffic engineering,c1ass-ofservce and virtual private network.

本文从未来IP骨干网技术所要求的高速化、多业务支持、经济性出发，介绍了在传统路由器基础上将控制部件和转发部件分离的第三层交换技术，比较了数据驱动模型和控制驱动模型两种转发算法，并由此引出下一代IP骨干网络技术——多协议标记交换，阐述了其工作原理以及在流量工程、服务等级区分和虚拟专用网中的应用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。