必要时

Comb and brush with a firm bristle brush, and bathe only when necessary.

用牢固、刚毛的刷子梳刷，有必要时再洗澡。

A bronco often becomes so attached to his master that he will lie down his life if necessary- his master's life, I mean.

美洲野马常常如此爱其主人，是以在必要时，还会牺牲它的性命——我的意思是，牺牲它主人的性命。

Then the CPU calculates using the digital PID arithmetic,and changes the duty cycle of the NE555 circuit according to the calculating result in order to control the power of calefaction.

在恒温自动控制系统的设计中，运用单片机进行数字PID运算，能充分发挥软件系统的灵活性，在必要时对PID算法进行修正使其更加完善。

And the EIC can not figure out whether the pre and post documents of the anonymous documents are done by the same calumniator.

又能在必要时，在可信第三方和电子检举中心的协作下，去掉用户的匿名性，追踪诬告者的真实身份。

Instead of cutesy decorative fences, try some metal stakes, chicken wire, and, if necessary, a few tent pegs to keep dogs from digging under.

而不是娇媚围墙，尝试一些金属桩，铁丝网，并在必要时，一些帐篷钉养狗挖下的。

Injection of vitamin D3: a monthly 2-30 IU3, a lack of vitamin B1 caused夜啼available Vitamin B1 10 mg oral, 1 times daily. 4, night waking, sleep panic disorder, can cause a nightmare夜啼, if necessary, a short period of time to give stability and 1.25-2.5mg or Chlordiazepoxide 2.5-5mg, every time, even served a few nights.

3维生素D3针剂：每月一次20至30万IU3、缺乏维生素B1引起夜啼，可用维生素B1 10毫克口服，每日1次。4、夜醒、睡惊症、梦魇均可引起夜啼，必要时可短时间给予安定1.25—2.5mg或利眠宁2.5—5mg，每晚一次，连服数晚。

If necessary, nylon, acrylic and polyester fibers may be bleached with sodium chlorite under acidic conditions.

在必要时，尼龙、丙烯腈、涤纶纤维可在酸性条件下用氯化钠漂白。

Laparoscopic cholecystectomy is feasible and safe for complicated cholecyst and could be open abdomen if necessary.

采用腹腔镜胆囊手术对复杂困难胆囊行切除，只要方法适当，是安全可行的，必要时可中转开腹处理。

laparoscopic cholecystectomy is feasible and safe for complicated cholecyst and could be open abdomen if necessary.keywords: complicated cholecyst; laparoscope; cholecystectomy

采用腹腔镜胆囊手术对复杂困难胆囊行切除，只要方法适当，是安全可行的，必要时可中转开腹处理。

Press the SPACEBAR to chomp and pick up things when necessary.

按空格键，以chomp ，并拿起的东西，必要时。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。