難于掌握 的英文怎麼說

中文拼音 [nányúzhǎngwò]
難于掌握 英文
hardtomanage
  • 難 : 難Ⅰ形容詞1 （做起來費事的） difficult; hard; troublesome 2 （不容易; 不大可能） hardly possible 3...
  • 掌 : Ⅰ名詞1 （手掌） palm 2 （動物的腳掌） the bottom of certain animals feet; pad 3 （人的腳掌） sole...
  • 握 : 動詞（拿; 抓） hold; grasp; take by the hand
  • 掌握 : 1. （支配; 運用） grasp; master; know well 2. （控制, 主持） have in hand; take into one's hands; hold; control
  1. They rate librarianship skills higher than subject knowledge in on-line searching.

    他們認為圖書館技術要比聯機檢索主題知識更難于掌握。
  2. 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

    由於轉向油泵定子的內部形狀復雜，零件壁厚分佈不均，金屬流動規律難于掌握，目前人們對這種非均勻壁厚鍛件的溫擠壓成形工藝研究幾乎沒有，其成形工藝及生產用模具結構並未達到最優化。
  3. 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

    本文對板帶寬度變化的板柱結構推導了變截面直桿單元的單元剛度矩陣和等效結點荷載列陣，避免了在結構分析時所作的近似，也擴大了等代框架法的計算范圍，使工程技術人員免於使用佔用機時、難于掌握的有限元分析法。
  4. 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

    對於水廠沉澱池中明礬添加量的檢測，傳統的方法是通過人的肉眼進行觀察，無法達到真正意義上的計量投加，直接造成明礬混凝劑的過分消耗、水質情況難于掌握等問題，與日益提高標準的水質要求不相適應。
  5. By studying the course, students can hold the rule of zhongjing ' s about how to treat miscellaneous diseases and improve their abilities of applying classical prescription to treat difficulty diseases in clinic

    通過《金匱要略研究》的學習，使學生能較深入掌握仲景關于雜病的辨治規律，提高臨床運用經方治療疑難雜病的能力。
  6. Many of the available options, such as jni, can be difficult to use

    而許多可用的選擇（如jni ）又難于掌握。
  7. In his lecture, professor gregory will explain how the emergence of radical new technologies makes navigation difficult for industrialists and policymakers

    Professor gregory會于講座中與大家分析先進新科技的出現如何令工業家和決策人士難于掌握和選擇。
  8. 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

    但用藥的份量難于掌握及會產生副作用，例如：聲線變粗、毛發增多等，所以切勿擅自服用。
  9. 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

    但是由於對于大多數用戶來說並不需要功能復雜、難于掌握的工具型gis ，而是滿足一定工作需要的應用型gis ，所以gis的二次開發已成為世界地理信息系統的一個新的研究領域。
  10. But since there are a lot of laws, regulations and administrative rules on the labor protection, it is really difficult for enterprises to grasp

    而中國關于勞動保護的法律法規以及部門規章較為龐雜，對於此類問題的處理便顯得難以掌握。
  11. Most of practical design methods, including self tuning approaches for pid controllers, are based on the consideration of control systems with one closed loop, lower order process model and one pid controller. in the industrial engineering, however, some control systems are so complicated, for example more than one loops with many controllers, that it is very difficult to achieve desired properties of control systems by only making use of either engineer ' s experience or pure ana1ysis methods

    二是現有的pid控制系統設計方法大多隻考慮對低階對象模型、單迴路控制系統或一個pid控制器的設計和整定，而對于高階對象模型、多迴路或多個控制器的控制系統的整定往往十分復雜和繁鎖，很難被工程技術人員掌握和使用。
  12. Traditional - chinese medicine has a long history and is based on a huge amount of valuable pharmaceutical information and documents, which is composed of ambiguous words with overloaded details

    但是，作為經驗醫學，它缺乏客觀性指標，描述文字繁瑣、晦澀、模糊，對于現代的醫學工作者學習，掌握較困難。
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