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1)  spectrum [英]['spektrəm]  [美]['spɛktrəm]
1.
On the spectrum assignment problem for the admissible operator pairs;
可容许算子对的配置问题
2.
On the spectrum assignment probelm for the controllable operator pairs;
可控算子对的配置问题
3.
Another prove of spectrum mapping theory in Euclidean space;
映像定理在欧氏空间中的另类证明
2)  spectra [英]['spektrə]  [美]['spɛktrə]
1.
Relationships of Pseudo-spectra of Dynamis Systems with Spectra of Its Perturbed Systems;
动力学系统伪与扰动系统的关系
2.
A Research on Relationships for Pseudospectra of Dynamical Systems and Spectra of Its Perturbed Systems;
关于动力学系统伪与扰动系统之间关系的研究
3)  spectral [英]['spektrəl]  [美]['spɛktrəl]
1.
By using functional method, the asymptotic stabitity of a solution of a repairable standby human-machine system is proved, by studing spectral properties of the operator corresponding to this system.
运用泛函分析的方法 ,通过分析系统主算子的特征 ,给出一类具有备用部件的可修人机系统解的渐近稳定性证明 。
2.
The conceptions of spectral and module of almost periodic sequence in Banach space are introduced,which are similar to those of almost periodic function in Banach space.
引入了Banach空间中与概周期函数类似的概周期序列与模的概念,并证明了概周期序列的与模有与概周期函数与模一样的性质。
3.
By using functional analysis method,the asymptotic stability of a solution of a repairable system with singleness components is proved, by studing spectral properties of the operator corresponding to this system.
运用泛函分析的方法,通过分析系统主算子的特征,给出了单部件可修系统解的渐近稳定性证明。
4)  spectrum [英]['spektrəm]  [美]['spɛktrəm]
谱,光谱,波谱
5)  GC-MS
色谱-质谱
1.
Non-normal Alkane GC-MS Analysis of Condensate and Its Application in Petroleum Geology;
凝析油非正构烷烃色-质分析及其在石油地质中的应用
2.
Based on two-phase anaerobic mechanism, a processing reactor was designed;and the waste water with high concentration discharged in the process of production of Chinese traditional medicine is carefully analyzed by the use of GC-MS.
依据二相厌氧机理设计实验反应器,采用人工配制水样作为实验用水,利用色-质联动仪分析二相厌氧各阶段水质的特性。
3.
EPA 16 priority PAHs are quantitatively analyzed by GC-MS and its size distribution characteristics also discussed.
采集北京城乡结合区和郊区冬季12个大气可吸入颗粒物不同粒径样品,用色-质技术分析鉴定了75种多环芳烃化合物,并对各粒径中美国EPA优控的16种多环芳烃做了定量分析,研究其在不同粒径的分布规律。
6)  chromatogram-mass spectrum
色谱-质谱
1.
Steranes and terpanes exist in saturated hydrocarbon component of oil and source rock,and they are usually identified by gas chromatogram-mass spectrum.
甾萜类化合物存在于原油和生油岩的饱和烃组分中,通常用色-质法鉴定。
补充资料:《北词广正谱》
      北曲曲谱。明末清初李玉编。系增订徐于室、钮少雅北词谱而成。卷首题"华亭徐于室原稿,茂苑钮少雅乐句,吴门李玄玉更定,长洲朱素臣同阅"。吴伟业为此谱作《序》。徐、钮所作北词谱,今已失传,书名、卷数亦不详。
  
  全书18帙,依6宫11调编次,末附《南戏北词正谬》、《牌名讹》1帙。共录400余个北曲曲牌,采选元人及明初作者所撰北词为例,列举不同格式,分别正字衬字,指出句子不拘可以增损者,注明板式声韵。收罗甚广,辨析精审。《四库全书总目》称其"订正诸调,颇为综覈"(见《雍熙乐府》)。此谱之前,朱权《太和正音谱》为今存最早的北曲谱,但借宫之法,增句之体,犹未能备。《北词广正谱》补其不足,正其失误,实为曲家填写北词的重要依据。乾隆时,周祥钰、邹金生编辑《九宫大成南北词宫谱》,北曲部分多采《北词广正谱》。本书兼有曲选性质,所以具有重要的文学史料价值。
  
  本书今有"青莲书屋定本",刘氏暖红室刻本,以及北京大学印本(据青莲书屋本)。
  

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