In guaran, about one-half of the D-mannopyranosyl main-chain units contain a D-galactopyranosyl side chain.
在瓜拉那中约一半D-吡喃甘露糖主链的单元含一个D-吡喃半乳糖侧链。
2
The mode of reform is to achieve its professional training aim, meet the demands of tourist enterprises. Effcient supervising system is the guaran…
实践性教学改革的模式是实现专业培养目标、满足旅游企业对人才需求的关键；
3
Mobile technologies such as EVDO and HSPA provide wide area coverage with consistent bandwidth guaran - tees; while technologies like WiFi provide high band - width and low latency.