The countries adopting unilateral measures share the opinion that the current international tax system needs upgrading.
采取单边措施的国家都认为，现行的国际税收制度需要升级。
2
Four elements which belong to system of mathematics knowledge are analyzed; some unilateral influences of mathematics teaching material which is using on mathematics education are pointed out.
分析了数学知识系统应具有的四要素，指出了现行数学教科书对数学教育的一些片面影响。
3
The hydrostatic system is controlled by the unilateral valves and electromagnetic valves.