既...又...

Trek in this compound is either the noun or the stem of the corresponding verb in Afrikaans, trekken.

Trek 在这个复合词中既作名词又作为其在南非荷兰语的对应动词 trekken 的词干。

Trek in this compound is either the noun Trek or the stem of the corresponding verb in Afrikaans, trekken.

Trek 在这个复合词中既作名词又作为其在南非荷兰语的对应动词 trekken 的词干。

Pregnancy suppression in the rat with an antiserum to lactate dehydrogenase-C4 is reported in this paper. The antibody was proven to be a sperm agglutinin.

LDHeeO'是一种精子特异的乳酸脱氢酶同工酶，也是第一种既能高度纯化，又具有免疫抗生育作用的精子特异抗原。

Objective This study was aimed at optimizing the preparation of 5-Fluorouracil and peanut agglutinin conjugates so as to obtain a conjugate with high activity and high drug ratio, and to choose a suitable dosage form in the light of its properties.

目的 优化5-氟尿嘧啶(5-Fu)-花生凝集素结合物的反应条件，以期制备得到既有生物活性又有较高药物结合率的结合物。

To speak of that agonising and joyous time was evidently necessary to Natasha.

这个既苦涩又甜蜜的故事，虽然对娜塔莎来说是她所需要的。

Air brick which is made of cement、clay、coal ash and coal waste has been the main architecture wall-material of development these years,with it's characters as light-quality、heat insulation and sound insulation,even more,it mades proper use of flotsams as well as saving soil-source.

空心砖是近年来发展的主要建筑墙体材料，它主要由水泥、粘土、粉煤灰、煤矸石等材料制作，质量轻，隔热隔音好，尤其种既合理利用了废料又节省土地资源。

Whole liver blood occlusion technique without occluding inferior vena cava can prevent bleeding and air embolism.

不阻断下腔静脉的全肝血流阻断术既能控制术中出血，又能保证全身血流动力学稳定。

Pringle maneuver combined with hepatic veins occlusion for complicated hepatectomy is safe, and is effective to prevent dangerous bleeding and air embolism with less disturbance of systemic hemodynamics.

Pringle′s法联合肝静脉阻断技术在复杂肝切除术中既能达到减少术中出血的目的，又能防止术中肝静脉破裂导致空气栓塞，还避免了下腔静脉阻断所引起全身血流动力学紊乱，是一种更安全、有效的血流阻断技术。

This mode can be operated simply and safely,but the design of air route controlling is comparatively complex.

它既简单，又便于操作，而且可靠，不易发生故障，但控制气路的设计比较复杂。

Realize the driving control of the half-tracked air-cushion vehicle, make sure that not only the vehicle can drive normally, but also the total power consumption is minimum in different soil conditions.

实现气垫车的行驶控制，满足在不同土壤条件下，既保证车辆的正常行驶，又使总功率消耗最小的要求。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。