We deduce the Variational coeffcient elastic model from theory of elasticity,and calculate the stress distributions in a sandpile in two dimensions using this model.
利用此模型 ,计算了二维沙堆式样里的应力分布 ,得到了试样底面应力分布曲线有低陷的结论 ,并用不同方法验证了模型的稳定性与准确性。
Untie the lace and take off your shoe.
解开鞋带脱掉鞋子。
These shoes lace easily.
这些鞋的鞋带很好系。
a high shoe with laces over the tongue.
鞋舌上面有鞋带的一种高统的鞋子。
A leather thong or strap used to fasten a shoe or sandal on the foot.
鞋带用于把鞋或拖鞋系在脚上的皮制带子
the flap of material under the laces of a shoe or boot.
鞋或靴子上鞋带下的一块布。
My shoelace keeps coming undone.
我的鞋带老是松开。
The kitten was tugging at my shoe-lace.
那只小猫在拉我的鞋带。
He bent down and undid his shoelaces.
他俯下身来解开鞋带。
She helped the child loose the laces of his shoes.
她帮孩子解开鞋带。
He bent and laced up his shoes.
他弯腰系好了鞋带。
She bent down to tie her shoe laces.
她弯下身子去系鞋带。
Keep still while I fasten your shoe.
给你结鞋带时，脚不要动。
She tied her shoelaces in a bow.
她把鞋带打成蝴蝶结。
a flat-heeled sandal with an upper of woven leather straps.
平底、条带鞋帮便鞋。
cross strap V-throat sandals
v形鞋口交叉扣带便鞋
chappal, with leather soles and uppers
印度凉鞋,带皮革鞋底和鞋帮
leather shoes, gloves, belts, etc
皮鞋、 皮手套、 皮带.
A shoe having the vamp and tongue made of one piece and the quarters lapping over the vamp.
男式缚带皮鞋鞋面和鞋舌用一块皮制成的缚带皮鞋