性能良好的

The statistical performance of the joint estimation method is discussed based on the simulation, and the results show the good performance of the method at low SNR.

研究了低信噪比情况下利用时频分析方法进行时延和多普勒频移联合估计的性能，表明联合估计方法的统计性能良好。

Excellent resistance charactorof HAL, immersing gold and taphole

HT-50 H9 优良的耐焊锡及沉镍金性能，良好的塞孔性能

The effects of adsorptive time, temperature and solution pH on the adsorptive properties of melamine are discussed.

讨论了吸附时间、吸附温度、溶液pH值这三个因素对三聚氰胺吸附性能的影响，揭示出三聚氰胺具有良好的银离子吸附性能。

The anticorrosion property and thermal stability were also investigated.

结果表明：所合成的添加剂具有良好的热稳定性、抗腐蚀性能和极压抗磨减摩性能。

The X-ray diffraction shows that the resin is crystalline. The heat analysis shows that the resin is well heat-resistant and has very good thermal stability and T=101℃. The T is better 10℃ than polyphenylene sulfide. The PASI resin will be applied abraod.

表征结果表明，聚合物为设计聚芳硫醚酰亚胺结构；X射线衍射表明聚合物为结晶性聚合物；热性能测试表明，聚合物的玻璃化温度为101.91℃，高于聚苯硫醚(87.00℃)，聚合物具有良好的热性能。

The experimental results show that the superior characteristics of superelastic NiTi wires, such as high energy dissipation, large restoring deformation, are suitable for passive vibration control device in civil engineering.

试验分析结果表明，NiTi丝具有良好的耗能性能、较大的可恢复变形，是制作被动阻尼器装置的良好材料。为进一步开发新型SMA被动阻尼器奠定了基础。

A type of high-performance fuel-rich propellant for the unchoked ducted rocket has been developed. The burning rates of the fuel-rich propellant are greater then 2mm/s at 0.5MPa, the greatest one is up to 4. 05mm/s. The burning-rate exponent is greater than 0.5, the highest one reaches 0.58. The fuel-rich propellant grain can combust steadily in the gas generator at 0.226MPa. The uniaxial mechanical properties and the processability of the fuel-rich propellant are good.

研制了一类用于非壅塞固体火箭冲压发动机的高性能铝镁贫氧推进剂：0.5MPa下燃速高于2mm/s，最高者达4.05mm/s；燃速压强指数高于0.5，最高者达0.58；直连式实验时，在0.226MPa下燃烧稳定；具有良好的力学性能和工艺性能。

The ZZT03 runner has good hydraulic performances and is applicable to the working head of 9 m or less than 9 m. Tests have been made on the elbow draught tube and straight conical draught tube.

ZZT03型转轮具有良好的水力性能，它适用于水头为9 m及以下水头段，为研究其水力性能作了有肘形尾水管和直锥形尾水管的两种试验。

Because Of the good quaity of moisture absorption,static releasing,skin health protection,and can make cloth cool,straight,dry and healthy,the flax becomes more and more welcomed by peoplc.

亚麻因具有良好的吸湿放湿性能，消除静电，对皮肤具有保健作用，使织物具有凉爽、挺括、吸湿性能、保健等优点，越来越受到人们的喜爱。

In comparison of the National Standard of insulating paper, the results show that the guanidine condensed phosphates show the good flame retardancy in the insolating paper and a little effect on other properties, which conforms to the ...

通过与国家标准进行比较结果表明，该阻燃剂对浸渍绝缘纸进行阻燃处理后，不仅能获得良好的阻燃性能，而且对浸渍绝缘纸的其它性能影响小，并符合国家标准。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。