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

• During trial run, both parties shall cooperate to further test and optimize the performance of the works.
  试运行期间，双方应共同进行进一步试验及优化工程性能。
• We encountered one small problem during the trial run.
  我们在试运行中，遇到了一个小问题。
• Responsible for the tool trial run, arrange the daily trial run work.
  负责试模，安排每日试模工作。
• 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。
• Transportation to and from the Expo was also monitored during the trial run.
  在试运营期间，世博交通也接受了检验。
• The car crashed during its trial run.
  这车在试车时撞坏了。
• The machine failed on its trial run.
  但这部机器的试车失败了。
• 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。
• 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。
• 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。