采用磁控溅射法制备锰铜薄膜,溅射和真空蒸发法制备镱薄膜.Thin film manganin gages and ytterbium gages were fabricated by magnetron sputtering.用磁控溅射低温沉积镀膜技术制做锰铜薄膜,能够保持薄膜中锰、铜、镍成份的相对稳定和锰铜合金正六面三元固溶体金相结构的特性.Magnetically controlled cathod plasma sputterin...
Exercising the body does a great deal to improve one's health.锻炼身体对增进健康大有益处。Never keep on exercising if you have even the slightest chest pain.即使你只感到很轻微的胸部疼痛，也不要继续锻炼。Exercising at home alone requires a tremendous am...
She wore a checkered jumper and had ribbons in her hair.她穿着格子连衣裙，头上系着丝带。Her hair was interlaced with ribbons and flowers.她的头发上编扎着缎带和花。Typewriter ribbons may be all black or black and red.打字机的色带可以是全黑的或黑红色的....