一个非体积功为0的封闭系统,当始态和终态确定时,下列说法不正确的是 c. 若经历一个等温过程,则u有定值 c
曹冲称象用的是比较法,是通过(定性还是定量)_______ 得到的结果?
1mol理想气体在恒容条件下用电炉缓慢加热,然后自然冷却复原,此变化过程
井岳秀镇守榆林期间为维护()团结、捍卫边疆统一做出了贡献。
热电偶测量温度原理是基于:( )
【单选题】电报、电话、电视及其他通信技术的发明和应用,是一次信息( )的历史性变革。
下面哪个不属于农业生态旅游资源()
with intermodal transportation, two or more modes work closely together in an attempt to utilize the advantages of each mode while at the same time minimizing their disadvantages.
electronic data interchange (edi) represents what general type of information management system?
___________ stock refers to inventory that is needed to satisfy normal demand during the course of an order cycle.
【填空题】nosql是指那些_____、_____、_____ 原则的 _____。
生态旅游属于保护性旅游,所以生态旅游不但不会带来环境破坏问题,还能促进目的地生态环境良性循环。()
which of the following is not a benefit to utilizing information in logistics?
【单选题】以下( )是数值型数据。
___________ is the most reliable form of transportation.