使用Session对象（定义）存储特定的用户会话所需要的信息。当用户在应用程序的页之间跳转时，存储在Session对象中的变量在不超时之前是不会清除掉的。Session其他常用方法和属性如下：
专一化策略
《招标投标法》的规定，对于依法必须招标的项目，应当公开招标，只有符合规定的情形，才能进行邀请招标，下列除（）以外都可以邀请招标。 项目技术复杂或有特殊要求，或者受自然地域环境限制，只有少量潜在投标人可供选择。 涉及国家安全、国家秘密或者抢险救灾。 采用公开招标方式的费用占项目合同金额的比例过大。 技术复杂、有特殊要求或者受自然环境限制，只有少量潜在投标人可供选择。
Refer to the exhibit. The Route.com company is running EIGRP between all the r outers. Currently, if one of the LAN links (LAN1 or LAN2) at the headquarters flaps (goes up and down), the HQRTR1 and HQ - RTR2 routers will experience high CPU usage and have a long EIGRP convergence time. As the new network administrator, you are asked to investigate this situation and determine if there is a quick way to resolve this issue. Which is the most important thing that you can quickly verify first to resolve this issue?（） Verify that the bandwidth setting on all WAN links is correct.。 Verify that the HQ - RTR1 and HQ - RTR2 routers are configured to send only a default route to all the spoke routers.。 Verify that the HQ - RTR1 and HQ - RTR2 routers are configured for EIGRP Nonstop Forwarding.。 Verify that all the spoke routers are co nfigured for autosummarization.。 Verify that all the spoke routers are configured as EIGRP stub.。
客流调查的范围是铁路沿线的吸引区，包括（）间接吸引区
在下列费用中，列入建筑安装工程直接工程费中人工日工资综合单价的有（）
