1. 旋环次序：circular orbit 圆轨道 | circular order 旋环次序 | circular parts 推导球面直角形公式的大字形法则
2. 圆周运动：循环次序 circular motion | 圆周运动 circular order | 环状排列 circular permutation
3. 循环次序：圆形诺模图 circular nomograph | 循环次序 circular order | 圆周轨迹 circular path
1. The ministries of Public Security and Railways have issued a joint circular calling for more order and security along rail lines.
2. A circular has been issued banning building contractors from becoming joint investment partners, in order to better regulate management on fixed assets and protect the building market.
3. The circular said both central and local governments should increase spending on health care in order to ease financial burdens on the people.
4. A circular issued by central authorities last December called for fewer traffic controls for government officials in order to reduce inconvenience for the public.
5. The circular reiterated an order issued by the ministry in March 2002.
6. The order was issued in a brief circular that contained no further details.