octylic acid辛酸octyne辛炔ocular目镜ocular dichroscope接眼二色镜ocular examination目视检查法ocular micrometer目镜测微计odd even nucleus奇偶核odor气味odorant着嗅剂odorimeter气味计odor...
pan mill 碾磨盘panchromatic film 全色胶片panchromatic plate 全色干片pancreatin 胰酶pancreozymin 肠促胰酶素pangamic acid 潘氨酸pantothenic acid 泛酸papain 木瓜酶papaverine 罂粟碱pa...
quantum chemistry 量子化学quantum condition 量子条件quantum efficiency 量子效率quantum hypothesis 量子假说quantum jump 量子跃迁quantum leakage 量子漏泄quantum liquid 量子液体quan...
radiator 散热器暖气片radical 基radical polymerization 游离基聚合radical scavenger 游离基清除剂radio frequency heating 高频加热radioactinium 射锕radioactivation analysis 放射化分析...
safrole 黄樟素saggar 烧箱sagger 烧箱sal soda 苏打晶体salad oil 生菜油salicin 水杨甙salicyl alcohol 水杨醇salicylaldehyde 水杨醛salicylamide 水杨酰胺salicylate 水杨酸盐salicylic acid...
tantalite 钽铁矿tantalum 钽tantalum carbide 碳化钽tantalum chloride 氯化钽tantalum oxide 氧化钽tap aspirator 龙头廉泵tap funnel 分液漏斗tar 焦油tar acid 焦油酸tar base 焦油碱tar d...
ultraviolet ray transmitting glass 紫外线透过玻璃ultraviolet rays 紫外线ultraviolet spectrophotometry 紫外线分光光度测定法ultraviolet stabilizer 紫外线稳定剂umber 棕土umpire anal...
3-D histogram三维直方图3-D interpretation三维解释3-D migration三维偏移3-D ray-tracing三维射线跟踪3-D seismics三维地震3-D seismology三维地震学3-D technology三维技术3-D television disp...
activator激活剂active AEM system主动源式航空电磁系统active agent活化剂active aquifer活跃含水区active basin活动盆地active belt活动带active block有源组件；有效网络；有效块；活动断块active breaking l...
affluence富裕affluent汇流的；支流afflux流入affluxion汇流afford给予Afghanella阿富汗蜓属AFID碱火焰电离检测器AFIPS美国信息处理学会联合会AFIT交联邦所得税后afloat gas浮选气afloat maintenance船上保养afloat re...