In payment of your invoice dated september 12 2002 , we are enclosing a postal ch eck for us $ 75 . 00 随信寄上75 . 00美元的邮政支票，用以支付2002年9月12日的请款单。
2.
A statue at the deutsches eck . it was very tall and huge . in fact i quite like it . do you believe that it was raining heavily 5 minutes ago 在德角的雕像。它很高大，我挺喜欢它。不过你相信拍这相片之前的五分钟在下大雨吗
3.
Dijk e , eck n d . effects of mycorrhizal fungi on in vitro nitrogen response of some dutch indigenous orchis species . can j bot , 1995 , 73 : 1203 郭顺星，徐锦堂.促进天麻等兰科植物种子萌发的真菌发酵液的抑菌作用.中国药学杂志， 1990 ， 25 ( 4 ) ： 200
4.
The essential aspect of the mathematic model for inductor is the description of the hysteresis loops of the magnetic core material . the jiles - atherton ferromagnetic theory combined with the experience formula proposed by h . g . brachtendorf , c . eck and r . laur , was applied in this case . the model is more flexible than jiles - atherton ’ s , especially in the circuit model convert 本文采用了由h . g . brachtendorf 、 c . eck 、 r . laur提出的经验公式与jiles - atherton铁磁磁滞理论相结合的修改新数学模型,并将该模型转换为等效电路模型模拟磁滞特性,实验结果表明,该模型比jiles - atherton模型灵活,利于转换为宏观电路模型。
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The parametrization work of eck et al . , and the b - spline construction scheme of peters . the main contribution of this procedure are : it presents a combinatorial optimization method for builing a quadrilateral domain from a triangular one ; it presents an efficient method for fitting a gl b - spline surface of arbitrary topological type to unorganized points ; it introduces a scheme for adaptive refinement of the quadrilateral patch network 论文工作利用了以前hoppe的表面重构工作， eck的参数化工作和peters的b样条重构方案，主要贡献在于：提出了从三角形域构造四边形域的组合优化方法；提出了从无序点重构具有任意拓扑结构g1连续nurbs曲面的有效方法；提出了四边形网格自适应细分的方案。
