By contrast, the cells that comprise the bulk of most tumours lack these surface proteins and are poor at creating new tumours.

相反，肿瘤中大部分的细胞没有这种表面蛋白，生成新肿瘤的能力也很弱。 评：从上下文来看，相反这个词不恰当。

youdao

We would learn how to create a reflection on a metal surface through the use of the Clone Stamp tool and a lot more like softening the images contrast but still leaving the edges sharp.

我们将学习通过克隆图章工具的使用如何创建一个在金属表面反射和更喜欢的图像对比度软化，但仍然留下了很多尖锐的边缘。

youdao

NBI changes the white light normally emitted by the colonoscope to a bluish light, providing a narrower wavelength and enhancing visual contrast of the surface structure of the colon.

窄带成像技术将结肠镜常规发射的白光改变为蓝光，以此提供一个较窄的波长，加强结肠表面结构的视觉对比度。

youdao

By contrast, not one Surface tablet was sold during the time that the analyst from Piper Jaffray was at the store, this according to Fortune.

FORBES: Microsoft Is Still Finding It Difficult To Catch Up To Apple

His electrical currents, by contrast, would be detectable by magnetometers at the surface as well as by satellites watching the ionosphere if they do indeed exist in the ground as well as the lab.

ECONOMIST: Predicting earthquakes

While Sony's new Bloggie Touch provides the template for how simple and easy a touchscreen camcorder could really be, Kodak's similarly well built and attractive PlayTouch provides a stark contrast, with a modicum of simplicity on the surface, but a megaton of functionality to uncover.

ENGADGET: Kodak PlayTouch preview