试卷(一) 一、单项选择题(10分) (1)GPS卫星星座配置有()颗在轨卫星。 (a)21(b)12(c)18(d)24 (2)SA政策是指() (a)精密定位服务(b)标准定位服务 (c)选择可用性(d)反电子欺骗 (3)UTC表示()。 (a)协议天球坐标系(b)协议地球坐标系 (c)协调世界时(d)国际原子时

一、8255A的工作原理 二、8255A的应用举例

AEROSPACE What is Strategy? A strategy is a plan, method, or series of actions designed to achieve a specific goal or effect (Wordsmyth, 2001)

一、单项选择题(每小题1分,共10分。每题备选答案中,只有一个符合题意,多选、错选、 不选均不得分。) 1 是法律的核心的内容和要素 A.权利和义务 B.规范人们的行为 C.调整经济关系D.调整社会关系 2.下列各项中,属于法律事件的是() A.发行股票B.签订合同C.发生地震D.承兑汇票 3.根据我国《仲裁法》的规定,下列纠纷中可以适用《仲裁法》规定的仲裁程序解决的是()。 A.财产继承纠纷B.离婚界分C.租赁合同纠纷D.劳资争议纠纷

一、单项选择题。(共14分,每小题2分) 1.下列哪个符号不能作为VB中的变量名?() (A)wash (B)CET4 (C)fh (D)a[3] 2.函数Int(6*RND)+1的值是在哪个范围内的整数?() (A)0,6 (B)[0,7 (C)1,6

TWo fundamentally different types of cells exist. Procaryotic cells have a much simpler morphology than eucaryotic cells and lack a true membrane-delimited nucleus. All bacteria are procaryotic. In contrast, eucaryotic have a membrane enclosed nucleus; they are more complex morphologically and are usually larger than prokaryotes. Algae, fungi, protozoa higher plants, and animals are eucaryotic Procaryotic and eucaryotic cells differ in many other ways as well

Lecture 3 Differential geometry of surfaces 3.1 Definition of surfaces Implicit surfaces F(r,,a)=0 Example: 22+6+2=1 Ellipsoid, see Figure 3.1 Figure 3.1: Ellipsoid · Explicit surfaces If the implicit equation F(, y, a)=0 can be solved for one of the variables as a function

wrong shape for a heavenly messenger. Anyway, it's time to stop wondering whether she came from heaven or a nearby town. What matters is this: whoever she was, Aunt Esther Gubbins was right.\

1. Strength and weakness of anthropology: Anthropologists are often swayed by a single key case a. Weakness in that this is an obviously inadequate sample. No way of knowing if typical or how typical b. Strength in that rich analysis, really can tell you a lot

I. Choose the Correct Answer 1. A particle on a spring executes simple harmonic motion. If the mass of the particle and the amplitude are both doubled then the period of oscillation will change by a factor of