【单选题】测绘单位确定开展贯标工作,一般应选择(_____)帮助建立适合特性、可操作性的质量管理体系。
【单选题】测绘单位确定开展贯标工作,一般应选择( )帮助建立质量管理体系。
【判断题】业务认证不属于物联网面临的特殊技术安全挑战。 答案
【单选题】The agreements tha: were reached at the Bretton Woods conference in 1944 established a system
A.
in which the values of currencies were fixed in terms of a specific number of ounces of gold, which in turn determined their values in international trading
B.
of floating exchange rates determined by the supply and demand of one nation's currency relative to the currency of other nations
C.
that prohibited governments from intervening in the foreign exchange markets
D.
of essentially fixed exchange rates under which each country agreed to intervene in the foreign exchange market when necessary to maintain the agreed-upon value of its currency
【单选题】测绘单位确定开展贯标工作,一般应选择( )帮助建立适合特性、可操作性的质量管理体系。
【单选题】It is __________ difficult work __________ nobody can do it well.
【单选题】Jennifer didn’t attend the important conference,and tha’s _________she hadn’t been gotinformed of it.
【多选题】叶轮式泵是依靠叶轮作旋转运动,使经过叶轮液体的动能和压力能增加,在叶轮后的扩压器中再将液体的部分动能转化为压力能。这类泵有( )。