查询词典 db

The aroma components of blood orange fruit were extracted by headspace solid phase microextraction and investigated by gas chromatography-mass spectrometry with two GC columns of different polarity(HP-5 and DB-WAX).

采用顶空固相微萃取对血橙的香气成分进行提取，用两个不同极性的色谱柱(HP-5和DB-WAX)进行分离，利用气相色谱-质谱联用技术对香气成分进行分析。

In this case the maximum noiselevel composes 34 dB, and the air flow is51,3 CFM.

在这种情况下，最高噪音水平composes 34 db ，并与空气流量是51，3 cfm的。

The estimation accuarcy of the method is improved about 5 dB compared to that of the correlation function method.

该方法充分利用了多个脉冲的信息，其估计方差比相关函数法提高5 dB左右。

I'm not sure how useful the custom DB error page will be for some people.

我不知道如何有益的习俗DB错误网页会被一些人。

You can use it on any DB if you make some changes in source.

如果你修改了源代码，则可以在任何DB上使用它。

In 1988 the DB Tuner was born.

在1988年的DB调谐器诞生了。

I've been reading the hype and so I went out and found the Microsoft Book on OLE DB.

我一直在读的炒作，所以我走了出去，发现微软的OLE DB的图书。

Electric field uniformity of onethird work zone is less than±2 dB.We can use this zone as test zone f...

三分之一测试区域的场强不均匀性小于±2 dB，可以用做精度较高的测量区域。

Thumbs.db is used as a cache to store preview thumbnails created so that Windows does not need to regenerate the thumbnails on every access or view of folder in Thumbnail or Filmstrip mode to speed up the display.

thumbs.db是用来作为快取记忆体储存预览缩略图创造了使Windows并不需要再生的缩略图，每访问或查看的文件夹中缩图或幻灯片模式，以加快显示。

The loss compensation is only activated at the filter's passband, and the insertion loss could be adjusted without affecting the filter's center frequency and 3-dB bandwidth.

共震器的损耗补偿只作用於主动滤波器的导通频段内，而且介入损失的调整并不影响到主动滤波器的中心频率与 3 dB频宽。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。