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- As yet, study on trace elements is concentrated on such areas as enrichment, distribution and transformation principle, as well as sampling devices and control techniques. 目前有关燃烧中痕量元素的研究主要集中在其富集分布规律、大气中的迁移以及控制技术和取样装置等方面,较少深入到反应机理这个层次上。
- The transformation principle Ko-p 77 which possessed the ability of producing kanamycin and forming spores was obtained when the plasmid-negative strain Ko 42-7 used as recipient was transformed with the kanamycin-producing strain Kp 958-4 as donor. 当把质粒消除株Ko42-7作为受体菌株,把产生卡那霉素产生菌Kp958-4作为供体菌株进行DNA转化时,获得了具有产生卡那霉素和形成孢子能力的转化子Ko-p77。
- In accordance with the austenization microstructure transformation principle,to compare the process characteristics of open-fire furnace,muffle and semi-open-fire furnace with stainless steel tube. 根据奥氏体化组织转变原理,比较明火炉和马弗炉及不锈钢管式半明火炉的工艺特点,分析和探讨明火炉的优势和工艺特性。
- A new iris recognition method searching for the appropriate wavelet scale is proposed using the bandpass characteristic of wavelets and wavelet transform principles for detecting singularities. 摘要 利用小波的带通特性和小波变换检测奇异点的原理提取虹膜特征，并在此基础上提出了一种新的搜索合适小波尺度的虹膜识别算法。
- The same principle may make for smoother writing. 这同一原则也可使文章写得更通顺。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The unbelief of God is our principle. 不信仰上帝是我们的原则。
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- Your behavior does not accord with your principle. 你的行为与你的原则不符。
- It will be against my principle to lie to you. 对你说假话是违背我的行为准则的。
- He acted from expediency, not from principle. 他为求达到目的，丧失了原则。
- I refuse to go there, on principle. 我原则上拒绝到那儿去。
- time-temperature transformation principle 时温转换原则
- The same principle may make for smooth writing. 同样的原则可能有助于流畅的文体。
- We uphold the principle of racial equality. 我们坚持种族平等的原则。
- The two machines work on the same principle. 这两部机器的工作原理是一样的。
- I take this seriously. It's a matter of principle. 我对此很认真。这是原则问题。
- They agreed to the plan only in principle. 他们只是原则上同意那计划。
- These machines both work on the same principle. 这两台机器的工作原理是相同的。
- An established rule, principle, or law. 公理，原理，原则建立起来的规则、原理、或法律
