交投清淡

So a bit of sluggishness is to be expected.

因此交投清淡一些也在意料之中。

History suggests that trends established during periods of low trading volumes have swiftly petered out once volumes picked up.

历史表明，在交投清淡时期确立的趋势，一旦交投活跃起来，就会迅速瓦解。

Commodities are mixed, with crude slightly higher and precious metals lower on light trading.

大宗商品混合开放，原油价格价稍有所涨，贵金属价格走低，交投清淡。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。