更多“机车在牵引工况下牵引电动机为（）状态。”相关的问题
数字微波系统中，电平衰落等效为（）
A . A、收信电平的降低
B . B、信噪比的降低
C . C、系统选择能力的下降
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38.女，40岁，因右侧甲状腺单发肿物、颈部淋巴结无肿大，行甲状腺肿物摘除术，病理报告为甲状腺乳头状腺癌，术后5天拆线，拆线后还应对患者做以下哪种处理
A.再一次手术清除患侧淋巴结
B.口服甲状腺片
C.口服碘剂
D.再一次手术将患侧腺体连同峡部全切除加长期口服甲状腺素片
E.颈部放射治疗
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下面哪一个最有可能使用一组机器人阻止web服务器接受新的请求？（）
A.DoSB.DDoSC.Buffer overflowD.Trojan horse
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软件工程的理论和技术性研究的内容主要包括软件开发技术和( )。
A) 消除软件危机
B) 软件工程管
C) 程序设计自动化 D) 实现软件可重用
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Specialization can be seen as a response to the problem of an increasing accumulation of scientific knowledge. By splitting up the subject matter into smaller units, one man could continue to handle the information and use it as the basis for further research. But specialization was only one of a series of related developments in science affecting the process of communication. Another was the growing professionalization of scientific activity. No clear-cut distinction can be drawn between professionals and amateurs in science:exceptions can be found to any rule. Nevertheless, the word ’’ amateur’’ does carry a connotation that the person concerned is not fully integrated into the scientific community and, in particular, may not fully share its values. The growth of specialization in the nineteenth century, with its consequent requirement of a longer, more complex training, implied greater problems for amateur participation in science. The trend was naturally most obvious in those areas of science based especially on a mathematical or laboratory training, and can be illustrated in terms of the development of geology in the United Kingdom. A comparison of British geological publications over the last century and a half reveals not simply an increasing emphasis on the primacy of research, but also a changing definition of what constitutes an acceptable research paper. Thus, in the nineteenth century, local geological studies represented worthwhile research in their own fight; but, in the twentieth century, local studies have increasingly become acceptable to professionals only if they incorporate, and reflect on, the wider geological picture. Amateurs, on the other hand, have continued to pursue local studies in the old way. The overall result has been to make entrance to professional geological journals harder for amateurs, a result that has been reinforced by the widespread introduction of referring, first by national journals in the nineteenth century and then by several local geological journals in the twentieth century. As a logical consequence of this development, separate journals have now appeared aimed mainly towards either professional or amateur readership. A rather similar process of differentiation has led to professional geologists coming together nationally within one or two specific societies, whereas the amateurs have tended either to remain in local societies or to come together nationally in a different way. Although the process of professionalization and specialization was already well under way in British geology during the nineteenth century, its full consequences were thus delayed until the twentieth century. In science generally, however, the nineteenth century must be reckoned as the crucial period for this change in the structure of science.
A． there is little distinction between specialization and professionalizationB．amateurs can compete with professionals in some areas of scienceC．professionals tend to welcome amateurs into the scientific communityD．amateurs have national academic societies but no local ones
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某商场以“买一赠一”方式销售货物。本期销售A商品50台，每台售价(含税)23400元，同时赠送B商品50件(B商品不含税单价为1200元/件)。AB商品适用税率均为 17%。该商场此项业务应申报的销项税额是( )元。
A．170000
B．178718
C．180000
D．180200
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局部自动变量，下列说法正确的是（）
A.进入函数分配内存，退出函数，释放内存
B.进入程序分配内存，退出程序释放
C.进入函数分配内存，退出程序释放内存
D.没有初始化，初值为零
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Which is the most serious type of fracture?（）
A . Compound
B . Greenstick
C . Closed
D . Crack
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培施有机肥，适量增加磷钾肥目的是（）。
A . 培育壮苗
B . 增加土壤含菌量
C . 加快萌发
D . 提高植株生长势
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丁工业企业库存商品核算采用实际成本法。2011年4月份该企业生产销售新产品M，发生的有关经济业务如下： (1)5日，完工入库M产品100件，单位成本79元； (2)15日，完工入库M产品600件，单位成本100元； (3)16日，销售M产品300件； (4)20日，完工入库M产品300件，单位成本76元； (5)24日，销售M产品600件。 要求：
丁工业企业库存商品核算采用实际成本法。2011年4月份该企业生产销售新产品M，发生的有关经济业务如下： (1)5日，完工入库M产品100件，单位成本79元； (2)15日，完工入库M产品600件，单位成本100元； (3)16日，销售M产品300件； (4)20日，完工入库M产品300件，单位成本76元； (5)24日，销售M产品600件。 要求：
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MOV A,R1采用的寻址方式是?
A. 立即寻址 B. 直接寻址 C. 寄存器寻址 D. 寄存器间接寻址
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用万用表R1档测得单个整流二极管，若测得正反向电阻值均为零，则二极管短路（）
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一对渐开线齿轮制造后、实际中心距与标准中心距稍有变化时,仍能够保证恒定的传动比,这个特性称为____
A. 传动的连续性; B. 传动的可分离性; C. 传动的平稳性;
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照明系统保证高速公路行车安全和旅行舒适，它是高速公路机电系统不可缺少的组成部分。维持视觉舒适的照明条件由（）等指标决定。
A . 路面平均亮度
B . 能见度水平
C . 纵向亮度均匀度
D . 眩光控制等级
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未出售完的整装未拆封的预制单程票确认封装完好，在当日库存日报上注明库存数量、车票使用期限（起始日期），票务中心3日内回收预赋值单程票。
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