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科学参考收录了1248194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。

perforated-plate column perforated-plate distributor perforated-plate extractor perforated plate for cooling perforated plate for drying
perforated plate type atomizer perforated propeller perforated screen perforated signature perforated skimmer
perforated slip perforated sprinkler perforated steam spray perforated stone perforated strainer
perforated strip metal chaplet perforated substance perforated tape perforated tape code perforated tape reader
perforated tracery perforated wall perforated wall centrifuge perforated washer perforated wound of eyeball
perforating perforating appendicitis perforating arteries perforating branches perforating branches anterior
perforating device perforating die perforating fiber perforating folliculitis perforating fracture
perforating gun-shot wound perforating injury perforating machine perforating press perforating rate
perforating roller perforating speed perforating tool perforating typewriter perforating ulcer
perforating ulcer of foot perforating veins perforating wound perforating wound of palate perforating wound of sclera
perforation perforation of articular disc perforation of cardiac valve perforation of colon perforation of colon ulcer
perforation of diverticulum perforation of esophagus perforation of gastric carcinoma perforation of Meckel's diverticulum perforation of membrana tensa
perforation of nasal septum perforation of oral cavity perforation of palate perforation of pulp chamber perforation of Shrapnell's membrane
perforation of tympanic membrane perforation of uterus perforation plate perforation rate perforation rim
perforations perforative appendicitis perforative peritonitis perforator perforator characters
perforatorium perform performability performance performance accounting
performance adjustment performance analysis performance and cost evaluation performance and fairness performance audit
performance bonds performance calculation performance characteristic performance chart performance code
performance company performance computation performance criterion performance curve performance data
performance density performance estimation performance evaluation performance factor performance figure
performance group headed by star performance index performance indicator performance load performance losses
performance margin performance measurement performance number performance number (品度值) performance of analog-to-digital convertor
performance of boiler performance of propellant performance of public vehicles performance parameter performance pedigree
performance period performance per litre performance plot performance prediction performance range
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