试说明旅游规划的发展趋势。
参考答案:
(1)全球化趋势
(2)市场化趋势
(3)产业化趋势
(4)生态化趋势
(5)战略化趋势
(6)创新化趋势
(7)多元化的趋势
(8)系统化趋势
进行区域环境质量评价,通常首先要评价的内容是()
A.环境质量现状评价
B.健康效应评价
C.污染源评价
D.环境影响评价
E.单要素环境质量评价
盘车检修中要求:滚珠轴承的滚子与外圈间隙小于()、滚子窜动量小于()、轴承外圈轴承座紧力为()、内圈与轴配合无松动
A.0.02mm,0.20mm,0.03mm
B.0.20mm,0.03mm,0.03mm
C.0.20mm,0.20mm,0.04mm
D.0.30mm,0.20mm,0.03mm