trial run

英 [ˌtraɪəl ˈrʌn]

美 [ˌtraɪəl ˈrʌn]

n.  (对新事物的)初步试验，试行

经济

牛津词典

noun

• （对新事物的）初步试验，试行
  a test of how well sth new works, so that you can see if any changes are necessary

柯林斯词典

• 初步试验;试行
  Atrial runis a first attempt at doing something to make sure you can do it properly.

英英释义

noun

• trying something to find out about it
  1. a sample for ten days free trial
  2. a trial of progesterone failed to relieve the pain
  Synonym:trialtesttryout

双语例句

• He gave the machine a trial run.
  他试了一下这部机器。
• Eg. a trial run is needed before the machine is put into operation.
  在机器投入运行前，要先进行试车。
• We planned a trial run there with the camels and gear.
  我们打算带骆驼和装备去那里作一次试验性旅行。
• It is the first trial run of the first set of steam locomotive of China&'Dragon Locomotive '.
  这是中国第一台蒸汽机车&“龙号机车”的首次试运行。
• Prototype new products six months after the trial run before the technical evaluation.
  新产品样机试运行半年后，方可进行技术鉴定。
• Sometime in2020 we can see a trial run of a high speed railway by which time the whole of China will be covered by bullet trains.
  在2020年的某个时候，我们能看到高速火车的试跑，那个时候，整个中国已经遍布高速火车了。
• We encountered one small problem during the trial run.
  我们在试运行中，遇到了一个小问题。
• If a petrochemical feedstock manufacturer needs petroleum products for a trial run.
  二制造石化原料工厂之试车，需使用石油制品。
• Take the car for a trial run to see if you like it.
  试试运行那辆汽车，看看你是否喜欢。
• Have the process instructions been verified during extended trial run ( s) to ensure they can be performed?
  工序说明在延长了的试运行期间是否已经得到验证以此来证明可行？