皮皮学，免费搜题
登录
搜题
【简答题】
试述在如图示的包装袋提手设计过程中,各尺寸设计的原则。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】数码相机是一种新兴的照相器材，它同普通照相机不同之处，在于它没有底片，而是通过一个特殊的感光层CCD，将图象的光信号转化成为数字信号保存起来．下表是某数码相机的一些参数，请你根据这个表格，用所学过的知识来说明，感光层离开镜头的距离要满足什么条件：______；要成像，物体离开镜头的距离要满足什么条件：______． 型号 镜头焦距 光圈快门 CCD解析度 Sony-S70 34mm 8s-1/10...
【简答题】●At a basic level, cloud computing is simply a means of delivering IT resources as （）.Almost all IT resources can be delivered as a cloud service: applications, compute power, storage capacity, networ...
【简答题】● At a basic level, cloud computing is simply a means of delivering IT resources as（71）．Almost all IT resources can be delivered as a cloud service: applications, compute power, storage capacity, netw...
【判断题】离心机离心前离心管需要平衡，而且需要对称放置。这样做对吗？A. 对B. 不需要平衡，也不需要对称放置C. 不需要平衡，只需要对称放置D. 需要平衡，不需要对称放置
A.
正确
B.
错误
【单选题】Cloud computing relies on sharing of resources to achieve coherence and economies of scale. Which of the following is NOT belonging to the characterics of cloud computing?
A.
Cost reductions. Infrastructure is typically provided by a third party and need not be purchased for one-time or infrequent intensive computing tasks.
B.
Maintenance of cloud computing applications is easier, because they do not need to be installed on each user's computer and can be accessed from different places.
C.
Device and location independence enable users to access systems using a web browser regardless of their location or what device they use.
D.
Productivity may be increased when multiple users can work on the same data simultaneously, rather than waiting for it to be saved and emailed. Time may be saved as information does not need to be re-entered when fields are matched, nor do users need to install application software upgrades to their computer.
E.
Reduced security. Considering about loss of control over certain sensitive data, and the lack of security for stored kernels.
【简答题】试解释为什么噻吩,吡咯,呋喃比苯容易发生亲电取代反应而吡啶比苯难发生?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
