10.6站心坐标系 10.6.1垂线站心直角坐标系 一、垂线站心直角坐标系 二、空间一点Q相对于P的的坐标为(10-25) 三、地心直角坐标系的变换(10-32)、(10-33)

1 Concept and Roles of Distant Cross 远缘杂交的过概念和作用 1. The Concept of Distant Cross p. 159 Distant Cross Between Species Distant cross- Distant hybridization- Wide cross Sub-distant Cross: Between Subspecies Near Cross: Between Varieties

1. Current Regulations of Agricultural seed Production 2. (1)The Current Seed Law of P.R. China 3.(2)Registration and release of plant cultivars 4.(3) Plant Breeders right 5.()Requirements for the seed Enterprises: Capitalasset; Physical/technical conditions

7-1 Introduction to the Activated-Sludge Process Historical Development The activated-sludge p now used routinely for biological treatment of municipal and industrial dge process date back to the early 1880s to the work of stewater in tanks and the hastening of the oxidation quently by a number of investigators, ility could be secured by e Experiment Station

ISI proceedings是美国《科学技术会议录索引》(Index to Scientific& Technical Proceedings,p)的网络版,由美国科技信息所(Institute for Scientific Information,简 称ISI)编辑出版。 ISI Proceedings包括以下两个子数据库:科学技术会议录索引(Index of Scientific& Technical Proceedings,ISTP,收录所有科技领域的会议文献,内容涉及农 业、环境科学、生物化学与分子生物学、生物技术、医学、工程、计算机科学、化学和物 理学等

一、最佳选择题 1.(C)小,表示用该样本均数估计总体均数的可靠性大。 A.B.C.od..四分位数间距 2.两样本均数比较的t检验,差别有统计意义时,P越小,说明(C) A两样本均数差别越大 B两总体均数差别越大 C越有理由认为两总体均数不同 D越有理由认为两样本均数不同 E越有理由认为两总体均数相同

楔形体密度为p,承受重力 和液压力,液体密度为求应力分量

1问答题 1.1什么是ROM、RAM? 1.2为什么当P2口作为扩展存储器高8位地址后,不再适宜作通用I/0口了? 1.3在8031扩展系统中,外部程序存储器和数据存储器共用16位地址线和8位数据线,为什么两个存储器的地址不会发生冲突?

一、P82三种函数形式估计结果汇总

Example 2: (p175-12) resistor, capacitor, and voltage source=100cos300n are all in series. If the average power dissipated by the resistor is 150W and the rms capacitor voltage is 10v, determine R and C