基于这些旋转不变量给出了一种形状相似性度量.A shape similarity measure is defined on the extracted rotation invariants.摘要本文研究了关于投影体的中心仿射不变量比的问题.This paper concerns the ratio of centro - affine invarients for a projection body.莫迪斯的三个口袋是: 不变量 、...
A NEW SPECIES OF LEPTOCONOPS FROM CHINAL . ( HOLOCONOPS ) YUNHSIENENSIS ( DIPTERA, CERATOPOGONIDAE )我国细蠓属的一新种——郧县细蠓Leptoconops ( Holoconops ) yunhsienensissp .nov. ( 双翅目:蠓科 )DESCRIPTION OF LEPTOCONOPS ( HOLOCONOPS ) SHAn...
这块木头的4个角刨过后就变小了。The piece was reduced in size by planing down the four corners.她看着他刨平一块胡桃木板。She watches him plane the surface of a walnut board.我将原木放到了地上，刨掉了树皮。I set the log on the ground and shaved off the bark....
她的前额纹着靛青色的刺青。Indigo tattoos adorn her forehead.靛青是蓝色的一种自然配料.Indigo is a natural ingredient in blue.这块布是用靛青染蓝的.This cloth was dyed blue with Chinese indigo....
A blackbird flew down and perched on the parapet outside his window.一只乌鸫飞下来，停在他窗外的矮墙上。The blackbird had a quick, wary look in case the cat was anywhere around.这只乌鸫迅速警惕地张望了一眼，以防那只猫就在附近。The blackbird’s nest contained four ...
Support the alumina and fluoride hoppers and point feeders.支撑氧化铝和氟化盐料斗并且含有定点喂料功能.Support the transport system for alumina and fluoride to the hoppers.支撑氧化铝和氟化盐进入料斗的传送系统.The two pairs of millstones are fed with grain by t...