方法我们分别建立了单向、双向和三向MLR，以DNA合成活动作为此系统中淋巴细胞反应的定量指标。
Methods We set up one way, two way and three way MLR's, respectively, and used the intensity of the new DNA synthetic activity as a quantitative parameter of the lymphocytic reaction in each system.
在闲置时，取下撑杆，并利用活动铰链将粘丝枝单向覆倒，营茧器就能以最小体积叠放。
During idle period, take down the bracing rod, one-way overturn the silk adhesion branch with the movable hinge, the volume of cocoon breeding device superposed may be minimized.
本实用新型涉及一种防逆风排风管，特别是涉及一种活动排风门式的单向 排风装置。
The utility model relates to an exhaust duct that prevents head wind, especially to a movable air discharging door type one-way air exhaust device.
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