Since 1960, many horizontal immersion extractors have been introduced.自1960年以来, 采用了许多水平浸提装置.These include the canvas extractors developed by the Institute of Forest Genetics at Placerville California.其中包括加利福尼亚的泼拉崖维尔森林遗传研...
Seaguar is the only company in the world fluorocarbon.世界上只有西格公司采用的是这项技术.The effect of fluorocarbon blood substitute ( FCBS ) on rheology was investigated.本文探讨了氟碳代血液 ( FCBS ) 对大鼠血液流变学的影响.RTM. and fluorocarbon polymers typ...
他坐下去, 抓住了座板, 开始低声哭泣.He sat down and, clinging to the thwart, began to sob quietly.麦青机警 、 镇静地照着狄克向他做的手势,急急地沿着船上的座板,跳到岸上.Matcham steady and alert, at a sign from Dick, ran along the thwarts and leaped ashore.座板翻转: 弹簧回复, 也可...
一只狮蚁的幼虫蜷曲着努力爬行.A doodlebug curls in his effort to get there.其他自然防治火蚁的途径也是可取的.Other nature natural ways fire fight the fire ants are also possible.研究者们在佛罗里达发现168个火蚁的巢穴.The researchers observed 168 nests of imported fire a...
The world can be changed by man's endeavor, and that this endeavor can lead to something new and better .No man can sever the bonds that unite him to his society simply by averting his eyes . He must ever be recepti...
The electronic and printing unit has annual sales of about $80 million.电子印刷部门每年销售额约为8,000万美元。His brother ran a printing and publishing company.他哥哥经营了一家印刷出版公司。Men traditionally monopolized jobs in the printing industry.在传...