In the 1980s, it burst into flower and died, as it doesevery 30 to 80 years; but human activity had deprived the pandas of access tolower altitude species that would once have served as a back-up.

20世纪80年代，竹子开花并死亡，实际上是每隔30至80年一个周期；但是人类活动阻断了大熊猫到低海拔地区获取其他可能食物的通路。

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The special difficulties lie in the implementation of the burst transmission of the AHB bus, and the supporting of the mutual access between multiple AHB and multiple WISHBONE.

该方法难点在于AHB总线突发传输白勺实现，且支持多个AHB设备和多个WISHBONE设备之间白勺互相访问。

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Patient advocacy burst onto the national scene in the late 1980s when protesters demanded and got faster approval of hiv drugs, earlier access to experimental medicines and more government research money.

FORBES: Magazine Article