Generally , if you are creating a web site that will support only light traffic or a limited number of users , an access database is sufficient 通常,如果创建的网站仅支持低通信量或有限个用户,使用access数据库就足够了。
During light traffic loads , perceived workload may decrease below the minimum needed to maintain attention and alertness 在处于低负荷工作强度时,管制员感受到的工作压力可能下降到要保持足够的注意力和警觉的最低要求以下。
Class 1 - residential / light commercial snow melt : recommended for residential and light commercial walkways , driveways , entrances , and other light traffic ways , ramps and building entries 冰雪融化系统实际上可安装在任何地方,如停车场、车道、装卸区、桥梁、人行道、户外阶梯、檐槽、屋面天沟、屋顶、下水管道,大约地表5厘米下的混凝土中。