前期用英语怎么说？

前期

例句

• Previous study showed Multi - Ribbed Slab Structure ( MRSS ) shows super aseismic performance. 前期研究表明,密肋壁板结构具有良好的抗震性能.
• What symptom is the early days of cancer adumbrates? 癌症的前期预兆是什么症状?
• What is symptom of hypertensive patient early days, the hand bilges is! This what is treated. 高血压患者前期症状是什么, 手胀是不是啊! 该什么治疗.
• Jingmen Nissan's 4800 tons of dry cement clinker production line put into operation in the pre - ignition. 公司的荆门日产4800吨水泥熟料干法生产线于 前期 点火投产.
• Do not use late - binding invocation when early - binding is possible. 只要可以用 前期 绑定就不要用后期绑定.
• It also states prophase work, transporting and inseminate method , conservation and management in the transplanting process. 叙述了大树移植过程中需做的各种前期工作 、 起运栽植的方法以及最后的养护管理.
• The other showed the farina accumulation existing obstacle in the prophase of pollen maturation. 二是花粉成熟前期,淀粉粒积累发生障碍.
• HP infection and the precancerous condition dysplasia are common in younger women. HP感染和不典型增生的癌前期病变在年轻人里也很常见.
• Scientists often cannot date precisely archeological or prehistorical findings. 科学家们常常不能精确地鉴定考古或史前期发现的日期.
• The decline rate was great before the 20 - 25~ thday after anthesis ( DAA ). 开花后小麦 籽粒 灰分含量呈不断下降的趋势,前期下降较快,花后20～25天后下降较 平缓.