1. We are hard put to find a replacement for our assistant.
   我们很难找到一个人来代替我们的助手。
2. As Jack is ill, we have to get a replacement for him.
   杰克生病了, 我们必须找一个人代替他。
3. We’ve only got two days to find a replacement,so we’re racing against time.
   我们只有两天的时间找接替者，所以我们正在抓紧工作。
4. The bike is in need of replacement.
   这辆自行车该更换了。
5. The original furnishings are now in need of replacement.
   原来的家具陈设需要更换了。
6. They put all the students through the replacement examination.
   他们让所有的学生参加分班考试。
7. Objective To retrospectively review the experience of mitral valve replacement after mitral commissurotomy in 39 cases.
   总结二尖瓣闭式扩张术后行瓣膜置换术的经验。
8. Engineers are still trying to come up with a commercially viable replacement for internal-combustion engines.
   工程师在设法制造一种在商业上切实可行的发动机来取代内燃机。
9. Objective To review the experience of surgical treatment of 32 patients underwent heart valve replacement after closed mitral commissurotomy(CMC).
   目的报告32例二尖瓣闭式扩张术后再狭窄的治疗经验。
10. The armour protection is tuneable by the replacement of armour packs within the vehicle's external skin.
    防护甲是设计在车辆内衬板里，可以拆换的。
11. On “Representational Redescription Model”of Children's Development: A Replacement or Rebellion to Piaget's Theory?
    儿童发展的“表征重述模型”(RR Model):是一种对皮亚杰理论的反叛吗?
12. The preparation method of potassium pentaborate (KB5O8) was studied with the replacement reaction between potassium chloride and sodium pentaborate solution.
    研究了利用氯化钾晶体和五硼酸钠溶液的复分解反应制备五硼酸钾的方法。
13. Methods Interfixation by crossing kirschners wire,transfixation ligation by steel wire of "8" after replacement of the dislocation of acromioclavicular joint.
    肩锁关节脱位整复后采用双重法（交叉克氏针及8字钢丝）固定肩锁关节。
14. Wear particles induced-biological reaction in histiocyte surrounding the prosthesis is an important factor of osteolysis and aseptic loosening after prosthetic replacement.
    磨损颗粒诱发假体周围组织细胞产生一系列生物学反应是导致假体周围骨溶解及假体无菌性松动的重要因素。
15. In many cases, the DCS was merely a digital replacement of the same functionality provided by analog controllers and a panelboard display.
    很多情况下，直接数字控制仅仅是一种数字式替代，它的功能同多个模拟控制器和一个面板显示器所提供的功能一样。
16. A dental implant is an artificial tooth root that a periodontist places into your jaw to hold a replacement tooth or bridge.
    种植牙是一种通过专科医生植入颌骨的人工牙根,用以镶复牙冠或牙桥.
17. On August 26, 1900, the Dutch coxed pair suddenly needed a replacement coxswain.A French boy was chosenthe Dutch pair rowed to a close victory.
    1900年8月26日，荷兰赛艇队需要一位替补选手，一名法国男孩被选中。
18. Use of unauthorized replacement parts may void the warranty. In all cases, US Laser will be the sole judge as to what constitutes warrantable damage.
    使用未经批准的可更换部件的保修无效。在所有情况下，US激光将唯一判断什么因素构成了保修损害。
19. Mild cases of diarrhea are treated with Bismuth subsalicylate (trade name Pepto-Bismol); extreme cases are treated with fluid and electrolyte replacement while the underlying disease passes.
    症状较轻的可用次水杨酸铋治疗,严重时要补充体液和电解质。
20. Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.
    采用精制棉经过碱化、醚化得到高取代度且取代基均匀分布的聚阴离子纤维素产品。

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