Now such dances are reserved for tourists-and rain-making has become a science , involving seeding clouds by dropping frozen carbon dioxide ( dry ice ) or silver iodide into them from aircraft .
If that 's true , then this first group of cancer vaccines is well on its way to seeding an entirely new field of immune-based treatments for cancer .
如果确实如此,那么这第一组癌症疫苗就恰恰正播种着癌症免疫治疗的一个全新领域。
The results showed that the net profit after deducting various input cost of the planting pattern of traditional seedling transplantation was negative , but the comparative benefit of no-tillage direct seeding was higher .
结果表明,传统育苗移栽种植方式扣除各项投入成本后净利润为负,而免耕直播的比较效益较高。
The apparatus would be useful for testing the freezing nuclei in water and the research of cloud seeding agent .
这个装置对检测水中冻结核和播云催化剂研究都是有用的。
Aggravating the outlook , farmers worldwide are seeding less cropland , hence lowering output for this year 's harvest , potentially helping to keep food prices up even if demand is weak as a consequence of the economic crisis .
The results of the seeding technology both shortcoming and long-term are difficult to assess .
人工降雨的短期及长期效果都难以评估。
Viral seeding of a percutaneous endoscopic gastrostomy tract from oral herpes .
口腔疱疹病毒通过经皮内镜下胃造瘘通道进行病毒播散。
Technical condition for safe in operation of powered seeding transplanted .
机动插秧机运行安全技术条件。
This command uses the default settings for seeding and log truncation , and it overrides the default replay delay of 24 hours with a setting of 1 hour .