“ballastless”的概念、定义、翻译、参考文献-科学参考

单词	ballastless
释义	ballastless Encyclopedia 工学道床结构释 ballastless有砟道床通常由具有一定粒径、级配和强度的硬质碎石堆集而成，碎石之间存在着空隙和摩擦力，使得轨道具有一定弹性的道床。
随便看	Ci-Poems by Li Jing and Li Yu Ci Poems by Poets of the Ming Dynasty Selected by Catelog Ci Poems by Yang Sheng'an Ci Poems from the Cottage of the Yuan Dynasty ci-poems in Tang and Five Dynasties Ci-Poems in Whole Tang and Five Dynasties Ci Poems of Sixteen Poets Collected in the Xinrizhai Library Ci Poems-Related Stories Ci Poems Throughout the History Ci Poem to the Tune Wind in the Pines by Song Guang Ci Poetry ci poetry comments of huifeng Ci Poetry of Fragrant Flowers and Grasses Ci Poetry of Song, Yuan, Ming and Qing Dynasties Photomechanically Printed by Wu Chang-shou Ci Poetry Quarterly Cipolla CIPP mode/model CIP priority CIPP模式 CIPRA Cipriano de Rore Ciprian Porumbescu CIPS CIP system CIP顺序规则

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。