难于掌握的英文

• hardtomanage

• "掌握"英文翻译    grasp; master; know well
• "一种难于掌握的捉摸不定的语言" 英文翻译 :    hard to master lingo
• "掌握" 英文翻译 :    1.(支配; 运用) grasp; master; know well 掌握技术 master techniques; 掌握国家资源 control national resources; 掌握新情况 keep abreast of new developments; 掌握重点 give priority to the most important aspects2.(控制, 主持) have in hand; take into one's hands; hold; control 掌握会议 preside over a meeting; 掌握军权 hold the military power; 掌握主动权 have the initiative in one's hands
• "难于, 不易" 英文翻译 :    be difficult of
• "学习藏纸牌于掌中" 英文翻译 :    learning to palm playing cards
• "难于察觉的" 英文翻译 :    difficult to perceive subtle
• "难于登天" 英文翻译 :    be as difficult as climbing up to heaven; be harder than to ascend to heaven; be harder than to leap to the sky; be more difficult than climbing up to heaven
• "难于负担的" 英文翻译 :    grinding
• "难于教育的" 英文翻译 :    ineducable
• "难于控制" 英文翻译 :    get out of hand 那匹马已完全难于控制了。 the horse got completely out of hand
• "难于理解" 英文翻译 :    beyond [out of] one's depth 那个学生对关于中世纪的讨论感到难于理解。 the student was out of his depth in discussion on the middle ages
• "难于立足" 英文翻译 :    be difficult to keep a foothold
• "难于启齿" 英文翻译 :    have a bone in the throat; difficult to speak out one's mind
• "难于取悦的" 英文翻译 :    fretful; sticky
• "难于忍受的" 英文翻译 :    grievous
• "难于入口" 英文翻译 :    have a nasty taste
• "难于上青天" 英文翻译 :    stepping uto the firing line; the shu roads is so hard literally harder than climbing uto the sky
• "难于受精" 英文翻译 :    difficult fertilization
• "难于通信" 英文翻译 :    difficult communication
• "难于行动" 英文翻译 :    have a bone in one's leg
• "难于应付" 英文翻译 :    be difficult to deal with
• "难于应付者" 英文翻译 :    tatar
• "难于置信地" 英文翻译 :    unbelievably
• "记住,掌握" 英文翻译 :    to learn by heart
• "了解，掌握" 英文翻译 :    have a good knowledge of

• They rate librarianship skills higher than subject knowledge in on-line searching .
  他们认为图书馆技术要比联机检索主题知识更难于掌握。
• Many of the available options , such as jni , can be difficult to use
  而许多可用的选择（如jni ）又难于掌握。
• In his lecture , professor gregory will explain how the emergence of radical new technologies makes navigation difficult for industrialists and policymakers
  Professor gregory会于讲座中与大家分析先进新科技的出现如何令工业家和决策人士难于掌握和选择。
• In his lecture , professor gregory will explain how the emergence of radical new technologies makes navigation difficult for industrialists and policymakers
  Professorgregory会于讲座中与大家分析先进新科技的出现如何令工业家和决策人士难于掌握和选择。
• The dosage of the hormones are difficult to control , and they can bring out side effects , such as hoarse voice , excess growth of body hair , and so on , so this kind of hormone should not be taken without doctor s instruction
  但用药的份量难于掌握及会产生副作用，例如：声线变粗、毛发增多等，所以切勿擅自服用。
• But most of the users need applied gis adapted to certain work , not complex implemental gis that ca n ' t be hold easily . so further development of gis has become a new research field
  但是由于对于大多数用户来说并不需要功能复杂、难于掌握的工具型gis ，而是满足一定工作需要的应用型gis ，所以gis的二次开发已成为世界地理信息系统的一个新的研究领域。
• The inside fashion of the sway oil pump stator is complex , its wall thickness is pockety and the metal flow law is difficult to master . at the present time , the investigation of warm extrusion forming technique for the nonuniform wall thickness forging has few to been done . the forming technique and die configuration which use for production have not achieve optimization
  由于转向油泵定子的内部形状复杂，零件壁厚分布不均，金属流动规律难于掌握，目前人们对这种非均匀壁厚锻件的温挤压成形工艺研究几乎没有，其成形工艺及生产用模具结构并未达到最优化。
• It ca n ' t realize adding precipitator by measure , which traditionally depends on naked eyes to detect the quantity of adding alum in the deposition pools . as a result , there are the problems such as consuming alum without measure and difficulty to control water quality , which is n ' t adaptive to great demand of water quality
  对于水厂沉淀池中明矾添加量的检测，传统的方法是通过人的肉眼进行观察，无法达到真正意义上的计量投加，直接造成明矾混凝剂的过分消耗、水质情况难于掌握等问题，与日益提高标准的水质要求不相适应。
• This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar . so the approximation in structural analysis is avoided , and the calculation capacity of equivalent frame method is also developed . this helped the engineers avoid the fem , which consume much time and is difficult to master
  本文对板带宽度变化的板柱结构推导了变截面直杆单元的单元刚度矩阵和等效结点荷载列阵，避免了在结构分析时所作的近似，也扩大了等代框架法的计算范围，使工程技术人员免于使用占用机时、难于掌握的有限元分析法。