stitch n. 1.一针;针脚;缝线。 2.针法,缝法,编法。 3.(常指肋部)突然,剧痛。 4.碎布;〔口语〕一部分,一点儿;少许衣服。 5.〔英方〕畦;(二犁沟间的)窄垄。 6.〔英方〕距离,一段时间。 A stitch in time saves nine. 及时一针省得以后缝九针;及时处理,事半功倍。 drop a stitch (编绒线时)织漏一针。 every stitch全身(装束),全付(行头);风帆的各个部分。 have not a stitch on 一丝不挂。 have not a dry stitch on 全身湿透。 make small [long] stitches 密[粗]缝。 feel a stitch in one's side 觉得胁部一阵剧痛。 not do a stitch of work 一点工作不做。 put a stitch in a garment 把衣服缝一缝。 rip out stitches =take out stitch-es 折缝线。 without a stitch of clothing=have not a stitch on. vt. 1.缝,缝缀,连缀;缝饰;钉。 2.(把田地)弄成畦,起垄。 vi. 缝纫,拿针缝。
multiple adj. 1.多重的;复合的,复式的,多数的,多样的。 2.倍数的,倍。 3.【电学】并联的;多路的,复接的。 4.【植物;植物学】聚花的。 a man of multiple interests 兴趣广博的人。 n. 1.【数学】倍数。 2.【电学】并联;多路系统。 3.相联成组。 4.成批生产的艺术品〔画、雕塑、工艺品等〕。 common multiple 公倍数。 least common multiple 最小公倍数。
An optimized cvi-pip process has been achieved, by which the c / sic composites with 2.1 ig / cm3 high density and uniformity are fabricated in 200 hours . the microstructure and composition of pyrolytic carbon interphase and cvi-pip silicon carbide matrix in the c / sic composites are investigated with the help of polarization microscope, scanning electron microscope, and x-ray diffraction technique, etc . the structure characteristic of pyrolytic carbon interphase and cvi-pip silicon carbide matrix, and effects of cvi-pip process on it are summarized and discussed . by growth course and feature of pyrolytic carbon interphase and cvi-pip silicon carbide matrix analyzed, a whole-course densification mechanism of lamellar-growth-pattern is proposed to explain the densification phenomenon, which makes a systematic understanding on the feature of pyrolytic carbon interphase and cvi-pip silicon carbide matrix, and the multiple stitching interface binding 根据热解碳中间相、cvi-pip系sic基体相的组织构成与外貌特征,通过对热解碳中间相、cvi-pip系sic基体相的生长过程和生长特征进行分析,提出了基于层生长模式的致密化过程理论,解释了热解碳中间相、cvi-pip系sic基体相以及钉扎诱导结构多重界面的形成:(1)在1150下,cvi-sic亚基体相遵从“过饱和?凝聚?融合”机理沉积,以8f型?sic为主,同时还会有少量4h型?sic,无游离si和游离c存在;(2)pip-sic亚基体相由非晶态sic以及弥散分布的-sic微晶、si-o-c和游离c组成;(3)热解碳中间相与碳纤维增强相之间、cvi-sic亚基体相之间形成渗透钉扎结构过渡界面,pip-sic亚基体相与摘要cvi一sic亚基体相之间形成诱导结构过渡界面。