受毒害叶片经常出现针状的叶尖从蜷缩部分脱落下来.Abscission of the tightly rolled , needlelike tips of the injured leaves quite often occurred.分析了空气量和锌浓度对形成四针状的氧化锌晶须的影响.The effect of air quantity and zinc concentration on forming T - ZnO _ w whi...
他们认为古代希腊罗马是知识的重要发源地。They believed ancient Greece and Rome were vital sources of learning.普罗旺斯是香水业的发源地。Provence is the home of perfumery.夏威夷是冲浪运动的发源地。Hawaii was the birthplace of surfing....
Thus continuous coiler unwinds the wire from immediately preceding block to give a dead cast coil.这样连续缠卷装置能展开刚刚从前一鼓轮处获得的金属线,并将其固定缠绕.As the liquidity bubble unwinds, their currencies should weaken and inflation should acc...