bilateral agency

基本解释

"Agency" - a bilateral, onerous, consensual contract whereby one party, the principal, authorises another, the agent, to execute business on his behalf.
“代理”双边协商一致，当事人一方委托授权另一方以他的名义代理执行任务。
According to news agency RIA-Novosti, Russian Senator Alexander Torshin said the suspects were U.S. citizens, ergo the case should not affect bilateral relations.
据俄新社报道，俄罗斯参议员Alexander Torshin称疑犯实为美国公民，因此此事不应影响两国双边关系。
But North Korea's official news agency said the “main emphasis” of the talks was bilateral.
但朝鲜官方新闻社称会谈的"重点"在于与美国的双边会谈。

USAID, America's bilateral aid agency, and Mr Bush's point man on rebuilding Iraq's economy.
ECONOMIST: The World Bank succession
All the various projects being piloted by national governments with individual bilateral partners, and the flagship inter-agency programmes should fit into the national broader and clearly defined education programme priorities.
UNESCO: WORKING GROUP ON EDUCATION FOR ALL
In July this year India cancelled bilateral talks on security co-operation, blaming Pakistan's military intelligence agency for a suicide attack on India's embassy in Afghanistan.
ECONOMIST: As India's clout grows it will reshape the world around it

双方代理
Then the next part, that is to say, the fifth part, discusses the components of effective agency involving negotiable instrument and says that the effect of self-agency and bilateral agency are completely effective and lawful in negotiable instrument agency.
为下文中“票据有效代理”及“票据无权代理及其法律后果”的论述埋下伏笔。第五部分在上文的基础上论述了“票据有效代理的构成要件”及“票据自己代理及双方代理的效力”。