Good randomization is relatively difficult to achieve when working with bundles of trees which cannot be shuffled as can CARDS.

好的随机化是比较难以获得成功的，要把一捆捆的苗木混合，不象洗纸牌那样容易。

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Because of the differences of the equipments and software in major hospitals, the medical image processing method is difficult to achieve, and the effects cannot be approved universally.

由于各大医院的设备及使用软件的差别，其医学图像的处理方法难以实现广泛使用，效果也难得到一致认可。

youdao

Because of the differences of the equipments and software in major hospitals, the medical image processing method is difficult to achieve, and the effects cannot be approved universally.

由于各大医院的设备及使用软件的差别，其医学图像的处理方法难以实现广泛使用，效果也难得到一致认可。

youdao