CPR Mask training in cardiopulmonary resuscitation techniques, to carry out artificial respiration training, a person must be taken to a barrier film to prevent cross infection of bacteria.
培训心肺复苏技术，进行人工呼吸训练时，必须采取一人一片屏障面膜，防止病菌交叉感染。
The most desirable techniques will have a low barrier to entry and a shallow leaning curve.
最理想的技术应该门槛很低、学习曲线比较平缓。
Training in cardiopulmonary resuscitation techniques, to carry out artificial respiration training, a person must be taken to a barrier film to prevent cross infection of bacteria.
培训心肺复苏技术，进行人工呼吸训练时，必须采取一人一片屏障面膜，防止病菌交叉感染。
The growth techniques, the barrier states and the interfaces for rare earth silicides were thoroughly described.
阐述了稀土金属硅化物的生长工艺和与硅衬底间势垒及界面特性。
The growth techniques, the barrier states and the interfaces for rare earth silicides were thoroughly described.
阐述了稀土金属硅化物的生长工艺和与硅衬底间势垒及界面特性。
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