下列有关作品优化原则的说法不正确的是（）。 尽可能使用wav这种声音格式文件。 尽量使用补间动画，避免使用逐帧动画。 限制每个关键帧中的改变区域。 使用位图图像作为背景或静态元素。。
简述物料需求计划的计算步骤。
“质量流”的作用有（） “质量流”包括表征质量流和反馈质量流。 “质量流”可以解决各联盟企业之间“过程网络”的接口问题。 “质量流”简化了敏捷制造的质量检验要求。 “质量流”使“质量全程服务”成为可能。 “质量流”降低了工人的工作要求。
试述硫在焊缝中的危害性？
You are designing an IP address management strategy to address the anticipated growth of the company and to meet the business and technical requirements. What should you do？（） Install one DHCP server in each branch office and in Sydney. On each server， create duplicate scopes that contain the necessary scope options. Configure the scopes to assign all of the available IP addresses to each office.。 Install one DHCP server in each branch office and in Sydney. On each server， create duplicate scopes that contain the necessary scope options. Configure the scopes to assign half of the available IP addresses to each office.。 Install two DHCP servers in each branch office and in Sydney. Authorize one server in each office. On each server， create duplicate scopes that contain the necessary scope options. Configure the scope to assign half of the available IP addresses to each office.。 Install two DHCP servers in each branch office and in Sydney. Authorize both servers in each office. On each server， create duplicate scopes that contain the necessary scope options. Configure the scope to assign half of the available IP addresses to each office.。
板材隔墙施工配板时，板的长度应按楼层结构净高尺寸减（）mm。
