首页/ 题库 / [单选题]长度因数的物理意义是的答案

长度因数的物理意义是

单选题
2021-09-02 00:14
A、压杆绝对长度的大小;
B、对压杆材料弹性模数的修正;
C、将压杆两端约束对其临界力的影响折算成杆长的影响
D、对压杆截面面积的修正。
查看答案

正确答案
A

试题解析

感兴趣题目
河海大学是一所以水利为特色的全国重点大学。请问,河海大学的前身“华东水利学院”是于哪一年由南京大学、同济大学、交通大学、浙江大学、华东水利专科学校的水利系科合并而成?()
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
When loading or discharging dry mud or cement,crew members should use goggles and().
Effects which are dutiable or subject to prohibitions or restrictions should be declared in ().
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
华北水利水电大学(花园校区)位于()。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

长度因数的物理意义是
导致表面层物理力学性能变化的主要因数是()的作用和()的作用。
什么是功率因数?提高功率因数的意义是什么?答:有功功率与视在功率的比值叫做功率因数,用cosφ表示,即cosφ=P/S。提高功率因数的意义在于:(1)提高供电设备的利用率;(2)减少输电线路上的损耗,提高输电效率。因此,提高功率因数对节约电能有重大意义。
一项关于吸烟与肺癌关系的病例对照研究,研究结果表明OR为4.0,其意义是()
将下列6 个句子重新排列组合:①培养了真正的大师。②但在今天难以想象的艰苦办学环境中。③要说艰难困苦。④原因就在西南联大恪守兼容并蓄、学术自由、民主治校的大学精神。⑤西南联大大概是空前绝后的。⑥西南联大却为中国培养了大量优秀人才。排列组合最连贯的是()。
试述我国恢复联大合法席位的主要斗争过程及意义。
《国立西南联合大学纪念碑碑文》一文充满激昂慷慨的民族精神的情思,集中表现了联大的精神是:()
全国抗战爆发后,许多高等院校向大后方迁移,内迁的北京大学、清华大学、南开大学在昆明组建成了“西南联大”。
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
热力学第一定律的数学表达式及物理意义。
水静力学基本方程中z的几何意义是(),物理意义是()。
广告位招租WX:84302438

免费的网站请分享给朋友吧