Altruism can be divided into three sorts: relative altruism, bi lateral altruism and pure altruism.
利他行为可以分为亲缘利他、互惠利他与纯粹利他三种形式。
Methods: All patients with severe ventricular hemorrhage in this group were treated by continuous irrigation of urokinase under bi lateral ventricular intubation and drainage of lumbar cisterna.
方法：对重度脑室出血的病例行双侧脑室插管尿激酶持续冲洗及腰池持续引流治疗。
Paulson said the Chinese remain committed to having a market-based exchange rate and that bi-lateral differences concern only the pace of appreciation.
保尔森说，中国继续致力于一个根据市场主导的兑换利率，那么双边的关切就仅仅是升值速度的问题了。
Private sector economists are supportive of the U.S. - China economic dialogue, which they believe will deepen the bi-lateral relationship and possibly prevent misunderstandings and conflict.
私营部门经济学家支持美中经济对话，他们认为这种对话会加深双边关系，并可能防止产生误解和冲突。
He said it had succeeded in promoting bi-lateral strategic cooperation.
他说本次对话成功促进双方双边战略合作。
Together with sales in target areas build up a bi-lateral working platform.
通过在目标市场的销售，建立起双边业务平台；
At the same time we will prepare for our second push of forging stronger international co-development, co-publishing and bi-lateral operating agreements.
同时我们准备开拓更强的海外合作开发、合作出版和双向运营。
Private sector economists are supportive of the U. S. - China economic dialogue, which they believe will deepen the bi-lateral relationship and possibly prevent misunderstandings and conflict.
私营部门经济学家支持美中经济对话，他们认为这种对话会加深双边关系，并可能防止产生误解和冲突。
Variable-amplitude fatigue tests for concrete in tension under single and bi-lateral pressures are conducted. Consequently, the fatigue life and residual strain are obtained.
本文进行了混凝土分别在单、双向侧压作用下受拉变幅疲劳试验，得到了疲劳寿命和残余应变。
Variable-amplitude fatigue tests for concrete in tension under single and bi-lateral pressures are conducted. Consequently, the fatigue life and residual strain are obtained.
本文进行了混凝土分别在单、双向侧压作用下受拉变幅疲劳试验，得到了疲劳寿命和残余应变。
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