In this paper , the architecture and features of usb , including the bus attributes , the protocol definition , types of transactions , power management will be described firstly . it tries to give developers and users a snapshot of usb 本文首先介绍usb的体系结构和特点，包括总线特征、体系结构和电源管理等，接着详细介绍了usb通信协议，包括数据流模型、四种传输方式及各自的特点，以及usb设备标准描述符的定义。
Legislative council question 2 : " review of the building standards of sanitary fitments , plumbing , drainage works and latrines regulations " by the hon alan leong and a reply by the secretary for housing , planning and lands , mr michael suen , in the legislative council 立法会会议上梁家杰议员就立法会二题：检讨建筑物生设备标准水管装置排水工程及厕所规则的提问和房屋及规划地政局局长孙明扬的答覆
Heterogeneous wireless device standards ? since wireless devices speak different wireless protocols and support a variety of different wireless markup languages - these different standards make it difficult for developers to write every application to individually support every single device available 异种无线设备标准? ?因为无线设备使用不同的无线协议，支持不同的无线标记语言? ?这些不同标准使得开发者难以为了单独支持每一可用设备编写一个应用程序。
Answer : contract of commodity house business ought to make clear the following and main content : ( one ) party name or full name and abode ; ( 2 ) commodity house is basic state ; ( 3 ) the sale means of commodity house ; ( 4 ) the certain kind of commodity house money paid for something purchased or received for something sold and total prices money , payment , pay time ; ( 5 ) consign use condition and date ; ( 6 ) standard of adornment , equipment ; ( 7 ) the water supply , power supply , heat addition , pay promises that lights the infrastructure of form a complete set such as gas , communication , road , afforest and public facilities and concerned rights and interests , responsibility ; ( 8 ) property right of architectural of communal form a complete set is attributive ; ( 9 ) the processing means of area difference ; ( 10 ) conduction property right registers concerned matters concerned ; ( 11 ) the method that settles dispute ; ( 12 ) responsibility of breach of contract ; ( 13 ) the any other business of bilateral agreement 答：商品房买卖合同应当明确以下主要内容： (一)当事人名称或者姓名和住所； (二)商品房基本状况； (三)商品房的销售方式； (四)商品房价款的确定方式及总价款、付款方式、付款时间； (五)交付使用条件及日期； (六)装饰、设备标准； (七)供水、供电、供热、燃气、通讯、道路、绿化等配套基础设施和公共设施的交付承诺和有关权益、责任； (八)公共配套建筑的产权归属； (九)面积差异的处理方式； (十)办理产权登记有关事宜； (十一)解决争议的方法； (十二)违约责任； (十三)双方约定的其他事项。
The enforcement actions allege that , from approximately mid - 1999 through mid - 2001 or later , all of the firms engaged in acts and practices that created or maintained inappropriate influence by investment banking over research analysts , thereby imposing conflicts of interest on research analysts that the firms failed to manage in an adequate or appropriate manner 实际上，柯达的行为促进了其他胶片生产厂商的进一步研究开发和技术进步而at t是按其设备标准设计公共网络的标准，如果其他制造商不采用at t的标准，其设备就无法与公共网络连接。
Concerning standards for the design , manufacturing and use of ptfe liner device are introduced , application scope , total management of the liner pressure vessels and economic rationality in the manufacturing course are explored to put forward the standard of the liner device and technical specifications 摘要介绍了聚四氟乙烯衬里设备设计、制造和使用的相关标准，对标准的应用范围、衬里压力容器的全过程管理以及设计、制造过程中的经济合理性问题进行了探讨，提出了衬里设备标准和技术规范的改进建议。
