There occours needle - type or M - type martensite precipitation within retained austenite.残余奥氏体内有针状或“M”型马氏体析出.These lath martensite first nucleates in parent austenite intergranular and twin boundary.应变诱发马氏体首先在原奥氏体晶界和孪晶...
DESCRIPTION OF A NEW HYMENOPTEROUS PARASITE: SYMPIESIS PARNARE CHU ET LIAO SP . NOV. ( HYMENOPTERA t CHALCIDOIDEA: EULOPHIDAE )稻苞虫蛹寄生峰一新种—稻苞虫羽角姬小蜂SympiesisparnaraeChuetLiao ( 膜翅且:小蜂总科: 姬小蜂科 )There are collagenous fiber i...
He has been her constant companion for the last four months.4个月来，他一直陪伴在她身边。He was not a fit companion for their skipper that particular morning.那天早晨，他没能和队长配合好。He was a charming travelling companion.他是个讨人喜欢的旅伴。...