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  not positive
     In applying typical Kalman filtering technique to the optimal estimation of motion state of LEOs, there are some limitations, such as divergence of filter because of inaccurate of dynamic noise and observation noise, distortion of estimation of Kalman filter caused by measurement pollution and being not positive definite of covariance matrix due to computing rounding errors.
     针对将Kalman滤波方法应用到星载GPS定轨时,由于动态噪声和观测噪声确定不准而造成滤波的发散、污染观测值造成Kalman滤波估值的扭曲及计算舍入误差可能带来协方差阵的不正定性等缺陷,提出了一种新的综合Kalman滤波方法。
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  “不正”译为未确定词的双语例句
     "诐、坡、波、颇、陂" and "跛" are paronyms whose etymologic meaning are "to be slanting";
     诐、坡、波、颇、陂与跛同源,词源义是不正;
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     The chief cases of blindness and low vision were cataract(48 81%)corneal disease(20 82%) ametropia/amblyopia(11 94%)and others.
     导致低视力和盲的主要疾病是白内障 (48 81% )、角膜病 (2 0 82 % )、曲光不正 /弱视 (11 94 % )等。
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     2~3+6r+s),and shows that there exists a highly irregular tree of order n with maximum degree k for each integer k(?) [d_(min),d_(max)].
     或3(n=2~3+6r+s,r=0,1,2,3,….s=0,1,2),或4(n>16且 n≠2~3+6r+s),并证明对任意正整数 k∈[d_(min),d_(max)],存在最大度为 k 的 n 阶高度不正则树.
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     The application of electrodialysis in the treatment with the desalination of soft water for blending liquor dropped the solid bits content from 1000mg/L to 250mg/L, and by which the problem of bad transparency and queer taste of liquor could be eliminated and the liquor quality was improved. (Tran.by YUE Yang)
     通过电渗析淡化水运行实践 ,使配制白酒的软水含固形物由1000mg/L降至250mg/L,从而消除了白酒透光性较差、口味不正现象 ,提高了白酒质量
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     Surgical complications included coax vara rate was 6.0%(3/50), in whom 2 patients results from inaccurate placement of the screws and 1 was due to inadequate reduction;
     并发髋内翻为6.0%(3/50),其中2例为髋螺钉钉位不正、1例复位不良。
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  相似匹配句对
     No!
     !
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     Normal Stress and Sheering Stress are Not Vector
     应力和剪应力是矢量
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     EXISTENCE FOR HIGHLY IRREGULAR TREES
     高度则树的存在性
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     no heating preservation;
     保温;
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     13.positive to negative.
     (13)从到反;
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  not positive
However, in the western region in 1994 no any specialty was shown as compared with other years, for the SST anomaly is not positive in large part of this region.
      
Furthermore degradation of CT by ZVI modified by nonionic surfactant has not positive effect on the degradation as the ionic surfactant and the ZVI modified by anionic surfactant has hardly any obvious effects on the degradation.
      
Overall negative response and support satisfaction, but not positive support, were significantly associated with PTSD symptoms.
      
Consequently, the energy is not positive definite, and a prescription is given to overcome this difficulty.
      
We also study another convolution defined with the use of the r-deformation through a moment-cumulant formula [KY1] and show that it is associative and in general not positive.
      
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Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable...

Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable that SO2, is the emitter of these emission bands. Evidences were also found that these emission bands arc not the known bands of O2, Oa+ and S2 in the same region. As a further support a vibra-tional level scheme was worked out, using the three fundamental frequencies of the normal SO2, molecule (1150, 525, and 1360 cm-1) in the lower state and 750 and 350 cm-1 (possible also 1110 cm-1) as the frequencies in the upper state. This scheme accounts for 1Q% of the absorption bands, 70% of the emission bands and a small fraction of the fluorescent bands. While the scheme may not be the final due to the complexity of the vibrational formula, one feels fair, as far as the present evidence goes, to conclude that the emission bands observed are actually emitted by the SO2, molecules and that they can be fitted by a vibrational level scheme based on the three known fundamental frequencies of the normal state.

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之三基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以三原子分子情形复杂,完全正确之分析,尚有待焉。之 能 力唯协...

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之三基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以三原子分子情形复杂,完全正确之分析,尚有待焉。之 能 力唯协所得之能 力 圆 山。。。,。w山。…。。。。\可。Z5t 叫 吸收 几 卅之70九传 时 光排 上 7,%及 比 儿 儿 卅上 一 个 部 份 此 能 力 闲 伙 不 正 全;故个能 望IC iX侦相 许 nt原一户 外 广似形 应 输,完全 正雕之分 析。尚有

The statistical properties of Laser Speckles produced in the diffraction and image field by the diffuse object moving in a plane with constant velocity arc discussed in this paper. Correspondence between Laser speckles and ametropia of the human eyes is presented. And the measurements of clinical refraction by using the motions of Laser speckles are reported. And the problem of determining ametropia by laser speckles is also mentioned.

本文讨论漫射体以恒定速度的面内运动在衍射场和象场所产生的激光散斑的统计特性,提出激光散斑运动与人眼屈光不正的对应关系,报告了利用激光散斑测定人眼屈光不正的实验结果,并指出有关问题。

In the past,a lot of determination methods of fluid dynamic performance of the wire used to be mostly carried out in the wind tunnel.In this article,the experiment illustrated here is based on the property of the warp from the trawl net at the time when it went into operation,and hydrodynamie performance was tested with wire-warp of the present pair-trawler in circulating water channel.In the experiment,measure- ment was made to show that the vector of fluid velocity was just not under the condition of the vertical...

In the past,a lot of determination methods of fluid dynamic performance of the wire used to be mostly carried out in the wind tunnel.In this article,the experiment illustrated here is based on the property of the warp from the trawl net at the time when it went into operation,and hydrodynamie performance was tested with wire-warp of the present pair-trawler in circulating water channel.In the experiment,measure- ment was made to show that the vector of fluid velocity was just not under the condition of the vertical plane of wire where it was in the origin.The coefficient of the drag and the lift gained from the experiment was reduced to the mathmatical formula by using statistical methods separately.The acquired formula was compared with the conclusion recorded from relevant documents for the purpose of comparison and inquiry.

对钢丝索流体动力性能的测试,过去大多是在风洞中进行,本文中所述的实验是根据生产中拖网曳纲的特点,将目前双船拖网中用的钢丝索曳纲在循环水槽内进行水动力性能的测试,测试是在流速矢量不正好处于钢丝索原来所在的铅垂平面的情况下进行的。通过实验所求得的阻力系数和升力系数分别用统计学的方法归纳成数学公式,同时将这些公式与有关文献中所记载的结果进行了比较和探讨。

 
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