边号

In section 2, we study the existence of sign-changing solutions of some three-point boundary value problem by the cone theory and the fixed-point index theory.

本文利用不动点指数定理研究了如下两种二阶微分方程多点边值问题变号解的存在性，同时分别得到了一个正解和一个负解。

3 Spoil ground of Beijing-Zhuhai expressway's south section within the boundaries of Guangdong Province to approach the ecological protection techniques of spoil ground accumulation slope and their application effects.

在京珠高速公路粤境南段3号弃土场开展试验，探讨弃土场堆积边坡的生态防护技术及其应用效果。

THE high-wire act that hoisted Abhisit Vejjajiva into Thailand's prime minister's office passed its first electoral test on January 11th.

1月11号，走在悬崖边的Abhisit Vejjajiva总理通过了上任后的第一次选举考验。29名上月被法院认定为不合格的的议员落选了。

For the next three days, the Rossiya clattered by impenetrable trackside ranks of leggy silver birches with hints of plump, dark emerald conifers.

接下来的三天时间里，罗西娅号在路轨边永无止境的白桦树夹持中隆隆行驶，开始可以看到深蓝色粗壮的黑松。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。