对垂直轴阻尼的陀螺罗经，当主轴指北端下降向水平面靠拢时，阻尼力矩（）。

[单选题]An AIX server will not boot in normal mode and the server must be booted into maintenance  mode to rebuild the boot logical volume. A NIM master is not defined in this environment.  How is the system booted into maintenance mode to perform this task （）

[单选题]Most people have no idea of the hard work and worry that gointothe collecting of those fascinating birds and animals that they pay to see in the zoo.One of the questions that is always asked of me is 1 I became an animal collector in the first 2.The answer is that I have always been interested in animals and zoos.According to my parents, the first word I was able to say with any 3 was not the conventional “mamma” or “daddy”,4 the word “zoo”, which I would 5 over and over again with a shrill 6 until someone, ingroupsto 7 me up, would take me to the zoo.When I 8 a little older, we lived in Greece and I had a great 9 of pets, ranging from owls to seahorses, and I spent all my spare time 10 the countryside in search of fresh specimens to 11 to my collection of pets.12 on I went for a year to the City Zoo, as a student 13 , to get experience of the large animals, such as lions, bears, bison and ostriches,14 were not easy to keep at home.When I left, I 15 had enough money of my own to be able to 16 my first trip and I have been going 17 ever since then.Though a collector's job is not an easy one and is full of 18 ,it is certainly a job which will appeal 19 all those who love animals and 20. 请在7处填上正确答案（）

[单选题]肝硬化时肝功能不全的表现包括（）。

[判断题]横切面的前方称尾端。

[单选题]人群健康策略强调的是

[单选题]传染性非典型肺炎是属于哪类法定传染病，发生流行时按哪类传染病管理？（）

[单选题]直角杆CDA和T字形杆BDE在D处铰接，并支承如图所示。若系统受力偶矩为M的力偶作用，不计各杆自重，则支座A约束力的方向为：（）

[单选题]卵巢肿瘤组织形态复杂的原因，以下哪项不正确（）

[单选题]预授权是指商户收银员在持卡人消费前，通过（）方式预先取得发卡行的授权，对凭密码交易的卡片，持卡人还应输入密码。

[问答题]如选用平流沉淀池和普通滤池相配合，如何优化设计？

[单选题]对垂直轴阻尼的陀螺罗经，当主轴指北端下降向水平面靠拢时，阻尼力矩（）。

[单选题]下列哪种罗经是属于垂直轴阻尼法型？（）

[单选题]陀螺罗经的阻尼因数表示主轴减幅摆动过程快慢程度，其大小在（）范围。

[单选题]陀螺罗经的阻尼因数或称衰减因数是表示主轴在（）减幅摆动过程的快慢程度。

[单选题]安许茨4型陀螺罗经阻尼力矩的大小与（）成正比。

[名词解释题]垂直轴

[名词解释题]垂直轴

[名词解释题]垂直轴

[名词解释题]垂直轴

[名词解释题]陀螺