查询词典 backward

In this paper, we study structure-preserving algorithms for some doubly structured matrices and structured backward errors by Van Loans squared reduced method, quasi-QR factorization and Wielandt-Hoffman theorem.

本文利用Van Loan的平方约化方法，拟QR分解，Wielandt-Hoffman定理等对一些双结构矩阵特征值算法和结构向后误差进行了研究。

Objective:To discuss operational methods and clinical effect of fascia flap of backward sural nerve nutrition vessel.

目的：探讨逆行腓肠神经营养血管筋膜皮瓣的手术方法和临床应用效果。

New English research found another way to spot holes in a story: Ask the suspected fibber to recite his story backward--in reverse chronological order. You'll also discover contradictions in his behavior and speech.

新英国研究发现另一种办法来认定一篇说辞中的漏洞：请那个嫌疑撒谎者将他的故事以逆时间顺序倒述一遍，你会发现在他的行为和言辞间的一些矛盾之处。

Moreover, the informations of forwad and backward SHG ratio provide information of the fibril diameter.

此外，前向对后向的二倍频比值更可以得到胶原蛋白纤维直径的资讯。

Tibet was a backward fiefdom of superstition and exploitation.

西藏是迷信落后和剥削的领地。

Tibet was a backward fiefdom of superstition and exploitation .

顶北朝鲜的网友和楼主，感谢楼主无私奉献。

Tibet was a backward fiefdom of superstition and exploitation .A place not unlike Ireland , fortunately the Chinese have freed the peasantry from their enslavement to medieval ideas.

西藏是迷信落后和剥削的领地。1个根本不像爱尔兰的地方，幸运的是，中国人帮他们摆脱了中世纪的奴役制度。

Summer, Wang Mingxiao led the surveying and mapping personnel in the vicinity of a field artillery training ground mapping found artillery training method is relatively backward, the reaction is slow, and firing accuracy is not high.

盛夏，王明孝带领测绘人员在某炮兵训练场附近进行野外测绘时，发现炮兵的训练方法比较落后，反应速度慢，而且射击精度不高。

This model used the finite—difference approximation to the advection— dispersion equation. The spatial derivatives in the flow equation are approximated by central difference written about grid—block boundaries and time derivatives are approximated by a fully implicit backward scheme.

水流方程的空间导数采用中心差分格式离散，时间导数采用隐式差分格式离散，建立了土壤水分和污染物在各种饱和度的条件下迁移转化方程耦合求解的二维数值计算模型。

Toe for toe-type, the second and third toes forward, backward toe the first quartile, and suitable for climbing in the branches.

足趾为对趾型，第二三趾向前，第一四趾向后，适宜在枝头攀缘。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。