Contractors are currently unable to provide fai piaos to support payment requests for non - vat materials listed in their material purchase orders 承包商通常不能够提供发票来支持他们采购订单上列出的非增值税材料的支付请求。
The web3d site lists cad , medical imaging , and visual simulations as the main focus , but also mentions cartography , education , technical training , and documentation Web3d站点上列出的主要领域有cad 、医疗图像和可视化仿真，但是还提到了制图、交互、技术训练和制作文档。
The item ' s plan can be very simple , such as the mission and their beginning and editing date on the notebook , or very complex , just like thousands of mission , resources or items needing ascending million dollar budget . each design activity can be an item operation 设计项目的计划可以很简单，例如笔记本上列出的任务以及它们的开始和结束日期；也可以很复杂，例如包括成千上万项任务和资源以及上百万元预算的项目。
The number of possible combinations is thus twelve to the twelfth , meaning that we shall have to choose from a total of eight thousand eight hundred and seventy - four billion , two hundred and ninety - six million , six hundred and seventy - two thousand , two hundred and fifty - six potential solutions 想想吧，四个人物，两两组对就有12种可能性，再算上列出的12项关系，可能发生的组合就是12的12次方，即8874296672256 （译者注：正确答案应该是8916100448256 ；原文如此）种潜在的方案。
