1.
Four, five and six ring PAHs have greater carcinogenic potential than do two, three or seven ring PAHs.
四，五和六环多环芳烃比二，三和七环的多环芳烃有更强的致癌作用。
2.
Consideration on Six Links During the Procedure of Sport Training and Competition;
对运动训练竞赛过程中六环节的认识
3.
Study on Process for Preparing 1, 4-Dioxan-2-One
1，4-二氧六环-2-酮的合成工艺研究
4.
Based on Pro/E Parameters of Six Central Reducer Design
基于Pro/E的六环减速器参数化设计
5.
Computing the Wiener index of Six-membered ring spiro chains using block-cut-vertex tree
利用块割点树计算六环螺链的Wiener指标
6.
vi.The External Policy and Institutional Environments
(六)外部政策和制度环境
7.
The road round the lake goes through six tunnels .
环湖公路穿越六个隧道。
8.
TRANSPORT AND FATE OF BHC IN AQUATIC ENVIRONMENT 3. BHC ACCUMULATION AND ELIMINATION IN FISH
六六六在水环境中转移、积累和归趋研究——3.六六六在鱼体的积累释放
9.
VI. Environmental Science and Technology, and Environmental Publicity and Education
六、环境科学技术和环境宣传教育
10.
Sixth, energetically improving investment environ-ment, particularly the "soft environment".
第六，大力改善投资环境特别是“软环境”。
11.
If there are six or fewer teams, the single round-robin (one-round league) system will be adopted.
如果有六个队或不到六个队参加，采用单循环制。
12.
Application and environment protection issues of sulfur hexafluoride circuit breaker
六氟化硫(SF_6)断路器的应用及六氟化硫环保问题
13.
insecticidal preparation or articles based on hexachlorocy-clohexane
以六氯环已烷为基料的杀虫剂或制品
14.
Six easy ways to improve our environment.
六种改善环境的简便易行的方法。
15.
HBCD (hexabromocyclododecane)
六溴环十二烷（涤纶阻燃剂）
16.
The Research on Synthesis of C_(60) Fragment from Hexachlorocyclopentadiene;
六氯环戊二烯合成C_（60）片段的研究
17.
A Study of Six Sigma Management in CIMS;
CIMS环境下六西格玛管理法探讨
18.
Research on the New Synthesis Technology of Hexafluoropropylene Epoxide at Pilot Plant;
制备六氟环氧丙烷新工艺的模试研究