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

• 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。
• When they started the trial run, they heard someone shouting from the rear end of the machine.
  当他们尝试运转机器时，听见有人在机器末端大叫。
• 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。
• Responsible for the tool trial run, arrange the daily trial run work.
  负责试模，安排每日试模工作。
• 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。
• The programme was given a trial run to gauge viewers 'reactions.
  该节目进行了试演以了解观众的反应。
• The machine failed on its trial run.
  但这部机器的试车失败了。
• 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 result of the trial run is too bad.
  试车的结果太糟糕了。
• 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？