【单选题】In foreign trade, is often used in consignment, auction and exhibition. It adapts to the business in fresh goods, antique, handcraft and calligraphy and painting.
A.
Quality as per Seller's Sample
B.
Sa l e by Actual Quality
【简答题】Complete the following sentences with appropriate collocations. 1. The foreign art collector has___________ a bid of $50,000,000___________ the authentic painting of Vincent Van Gogh in the latest art...
【单选题】In foreign trade, ( ) is often used in consignment, auction and exhibition. It adapts to the business in fresh goods, antique, handcraft and calligraphy and painting.
B.
Sale by actual commodity
D.
Sale by brand or trade mark
【单选题】某工程中采取岩芯直径为70mm,做径向加荷点荷载试验,如某块岩芯破坏时荷载为P=600,则R值为()。
【判断题】当程序试图调用一个未定义或不可见的成员变量时,可以通过__get()方法来读取变量值。
【判断题】在未作系统误差校正的情况下,多次测定结果的重现性很好,则说明测试结果的精密度很好,准确度却不一定高
【单选题】某一方法经反复测定所得出的结果很接近于真值,说明该方法
【简答题】由于系统误差是由某些固定的因素引起的,因此在相同的条件下,重复测定时会____,其____和____有一定的规律,因而是可被测定的,故也称之为____误差。如果测定结果的精密度很好,但准确度不高,可以认为是测定过程中有____误差存在的缘故。