简述引文测度的主要测度指标。

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问题:

简述引文测度的主要测度指标。

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《企业会计准则——存货》属于()。

A.会计法律

B.会计行政法规

C.会计规章

D.会计规范性文件

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设随机变量X与Y相互独立,方差分别为6和3,则D(2X-Y)=()。

A.9

B.15

C.21

D.27

题型:问答题 简答题

FI141和FI146所测的工艺介质是()

A、天然气

B、氧气

C、氮气

D、混合气

题型:问答题 简答题

某女,49岁。心悸、胸闷、气短3年,近日心前区刺痛,痛引左肩部,舌紫暗,脉涩。辨证为

A.气滞血瘀证
B.气虚血瘀证
C.气虚证
D.血瘀证
E.气血两虚证

题型:问答题 简答题

American Museum of Natural History is one of the largest natural and historic museums in the world and one of the main natural history research and education centres in the United States, set up in 1869 and located in the west of the Central Park, Manhattan District, New York. It (1) 7 hectares in its total area, (2) classical types of buildings. The (3) of ancient creatures and humanity is (4) the first place of all the museums in the world, (5) the representative samples from South America, Africa, Europe, Asia and Australia were collected, besides those from the (6) country, the United States.

In the museum, there are five kinds of exhibits, including astronomy, mineralogy, human history, and animals in the (7) times and those in modern times. There are thirty-eight exhibition halls with different (8) from 500 to 1,500 square metres. Besides these, there is a Roosevelt Memorial Hall in (9) of President Roosevelt who supported the (10) of the museum, which is also used to have a special exhibition, showing the new important (11) on natural sciences and (12) affairs and social problems, and special topics connected closely with the life of the citizens. Besides this, it is also used for avocation (13) to have all kinds of scientific activities in the laboratories, centres of natural science and centres for citizens. There are more than 10 (14) research departments mainly (15) for collection of samples, research and work of publication.

In the museum, there are (16) and sub-libraries of Aulspond ancient amniote, with about 300 thousand books and magazines (17) natural history, many of (18) are very valuable monographs for the first edition. It has published many expert books and magazines, and a large number of propaganda materials, (19) which are the two magazines, Natural History and Members of Museum that have the biggest (20) of their magazines.

4()

A.in

B.of

C.by

D.at

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