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We use an instrumental phonogram and in advance written down back vocal to replace an orchestra of 30 instruments and chorus in some compositions. But each concert is undoubtedly live singing.

至于有人怀疑他"不是真唱"，我已经向中国文化部递交了一份书面声明，讲明我们在一些作品中人声和乐器的和声用了录音，来代替合唱团和30多人的乐队的背景伴奏音，然而，每次的演唱会都是毫无疑问是现场真唱的。

When it comes to fatty acid compositions, PUFAs contents of T. sp-1 cultured in the mixotrophic and phototrophic conditions are 55. 44% and 44. 20% of total fatty acids, respectively. The contents of saturated and monosaturated fatty acids of T. sp-1 cultured under heterotrophic conditions are higher, their contens are 32. 84% and 35. 29% of total fatty acids, respectively.

在脂肪酸组成方面，T.sp-1在兼养和自养条件下培养，脂肪酸以PUFAs为主，含量分别占总脂肪酸的55.44％和44.20％；而在异养条件下培养，脂肪酸以饱和脂肪酸和单饱和脂肪酸为主，含量分别占总脂肪酸的32.84％和35.29％。

Phytosterol is a kind of substance of physiological activity, which is directly extracted from plant through supercritical carbon dioxide extraction technology. Therefore, it does not contain any unidentified compositions such as organic solvents and metal ions, etc. It can be widely used in the industries of medicine, food and feed etc.

植物甾醇是一类具有生理活性的物质，采用超临界二氧化碳萃取技术直接由植物中提取而得，所以不含任何有机溶剂及金属离子等不明成分，能广泛应用于医药，食品，饲料等行业。

In order to obtain good ignition performance of the nitramine propellant, certain amount of potassium picrate with strong ignition ability was added. Three compositions with different formulations were designed, and their ignition performances were tested. The results show that the ignition delayed time of them were 1.79, 2.11 and 3.05ms respectively.

为使硝胺类输出药获得较好的点火性能，在配方中添加点火能力强的苦味酸钾制成混合药剂，设计了三种配方，并进行了点火性能试脸，得到点火延迟期分别为1.79， 2.11， 3.05ms。

The effects of the compositions of PSN-PZT system on the piezoelectric properties and their mechanism are studied.

摘 要：研究了PSN-PZT系统中的组成对压电性能的影响及其作用机理。

The combination of SEM and SIMS （secondary ion mass spectrometer） is one of the accepted working lines to analyze isotopic compositions of particles. But it required fast searching and accurate locating the interested particles on the sample planchet in SEM and then re-locating the particles and analyzing their isotopic composition in SIMS.

扫描电镜和二次离子质谱仪的联用是公认的微粒同位素分析技术路线之一，它需要用扫描电镜对样品垫上感兴趣的微粒进行快速查找和准确定位，最终用SIMS对同一微粒进行再定位和同位素分析。

The results show that mineral compositions of the sediments are smectite, illite, palygorskite and chlorite, and the fibrous or acicular palygorskites are typically authigenic,which grew along the edges or the surfaces of platy smectite, respectively.

结果表明，晚渐新世循化盆地沉积物中粘土矿物组成主要有蒙脱石、伊利石、坡缕石和绿泥石等；坡缕石一般呈纤维状或者针状，沿片状蒙脱石的边缘及表面交代生长，为典型自生成因的坡缕石。

Tea polysaccharide is one of major chemical compositions of tea.

茶叶多糖是茶叶中主要有效化学成分之一。

Characteristics and Significance of Polytypes and Chemical Compositions of Phengite in Lancang Group, Southwest Yunnan Province;2. The polytypic structure of crystal grown in the [1 ■00] direction perfectly succeeds to that of the seed,and thus polytype inclusions never occur during growth.

利用光学显微镜对晶体表面及腐蚀后的晶片进行观察，发现沿[1 ■00]方向生长出的单晶与传统方法沿[0001]方向生长单晶有很多的不同之处，多型对于籽晶的继承性非常强，但是在生长过程中多型夹杂不会发生，该方法生长的晶体中没有发现螺位错缺陷。

By embracing imaginary landscape as a form of romantic indulgence, I have allowed the "isolated universe"- my personal "state of mind" to be pornographically reflected in "landscape compositions" ready to be consumed.

作品通过浪漫的山水想象，来表达放纵的想象情感隐喻，我运用"孤立的宇宙"--被"色情地"反映在"山水组合"中我的个体化"情绪"亦有待于消费。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！