有助于

• The principles should be helpful to the designer of a new engine system .
  这些原则要有助于新发动机系统的设计人员。
• These factors may have contributed to the development of the textile industry .
  这些因素可能有助于纺织工业的发展。
• Law existed to ensure fulfilment of the needs of this social solidarity .
  法律的存在有助于社会连带关系需求的实现。
• Their inventions have contributed to the development of electrical engineering .
  他们的发明有助于电气工程学的发展。
• A history of prior belladonna medication may help to confirm the diagnosis .
  颠茄类药物的服用史可能有助于确定诊断。
• The curl was invented to help describe the properties of moving fluids .
  创造旋度一词为了有助于描述运动流体的性质。
• Xenon lung scans may be helpful in the early diagnosis of inhalation injury .
  氙肺扫描可能有助于早期诊断吸入性损伤。
• A firm's history also contributes to its enduring value system .
  一个公司的历史也有助于形成它经久不衰的价值准则系统。
• This chemical assists in construction of muscle, bone and other tissues .
  这种化学物质有助于建造肌肉、骨骼和其它组织。
• The tragacanth gum is added to aid in keeping the entire mixture in solution .
  加入黄蓍胶有助于保持全部混合物呈溶液状。