pre的例句大全

The experimental class adopted peer review teaching method, while the control class was taught in accordance with the traditional writing teaching mode. During the three-month experiment, the researcher carried out pre-test and post-test, two questionnaires were also adopted before and after the experiment.

实验班采用同伴互评的写作教学模式，对照班按照传统的写作教学模式教学，在为期三个月的实验过程中，进行了前测、后测、实验前问卷调查和实验后问卷调查。

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Nuclear power plant containment shell is a large-volume pre-stressed reinforced concrete silo-shell structure to prevent radioactivity, and is the most important protected object in special condition.

核电站安全壳是防止放射性物质向环境释放的大体积预应力混凝土筒壳结构，是特殊环境条件下的重点防护目标。

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The effects of factors such as infection time of Agrobacterium, hormone proportions in pre-culture medium and differentiation medium on regeneration of Cotyledon petiole explants of Sichuan Yellow, Purple-leaf Mustard and their near-isogenic lines aseptic seedling were studied.

本研究以芥菜型油菜紫叶芥、四川黄籽及其近等基因系无菌苗的子叶柄为外植体，研究了农杆菌感染时间、预培养基和分化培养基中激素配比等对子叶柄再生的影响。

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Counterbore with guide Pre-tensioned trough bearing pedestal of column stability analysis

有导柱的平底扩充孔钻先张法槽式台座承力柱稳定问题浅析

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A New Method of Pre-tightening for King Diameter Coupling Bolt

大直径联接螺栓预紧的一种新方法

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Research on the Pre-competition Psychology Training Experiment among Teenager Men Discus Athletes

青少年男子铁饼运动员赛前心理训练实验研究

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Method for measuring trace gold with X-ray fluorescence after pre-enrichment is presented. The gold is enriched in a medium of 10% aqua regia in presence of Br 2 with polyurethane foam loaded with diphenylthiourea and methyl isobutyl ketone.

报道了在10%王水介质中，有Br2存在时用二苯基硫脲&甲基异丁酮泡沫塑料富集、X射线荧光测定痕量金的分析方法。

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A nickel based naphtha steam pre reforming catalyst for methane enriched gas production was laboratory prepared.

在实验室研制了镍系轻油蒸汽预转化制取富甲烷气催化剂。

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Coat the sealing ring inside and out with fresh engine oil and pre-position it on the crankshaft flange.

用新鲜机油涂抹密封圈内外侧，并预先放在曲轴法兰上。

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During the producing of cultured cream, there are the main processes to be controlled, including pre heat, standardisation, homogenisation, heat treatment, inoculation and incubation etc.

在酸奶油的生产过程中，其主要工艺过程预热分离、标准化、均质、热处理、接种、发酵等均需严格控制；

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The effect of solution, reduction temperature, reduction time and pre-reduction process on the preparation of 13X loading with cuprous ion were examined and the preparing conditions were optimized.

实验考察了负载溶液、还原时间、还原温度以及预处理等方面对吸附剂制备的影响，得到了制备载铜13X吸附剂所需要的最优化条件。

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The effect of room temperature Pre-deformation on cyanide hardening proces was studied.

本文探讨了室温予变形对氰化过程的影响。

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The Pre-ICDRA meeting will include discussions on regional and international cooperation, work sharing, capacity building, inspections, and active pharmaceutical ingredients.

ICDRA预会将包括关于区域和国际合作、分担工作、能力建设、检查以及有效药物成份的讨论。

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The combining power of the Schick test toxin prepared with crude toxin standard was 2~ 5 times as strong as that pre-pared with purified toxin standard.

原制锡克试验毒素的结合力一般为精制的2～5倍。

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A Kind of New Technology of Concrete Backfill Using for Embedded Pre-pressure Steel Pipe in Xiangshui Hydropower Station

响水电站埋藏式预压力钢管混凝土回填新技术

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Comparing with conventional concrete backfill technology, the new one of concrete backfill using for embedded pre Pressure steel Pipes has some advantages such as shorter construction period, lower cost.

埋藏式预压力钢管混凝土回填新技术与常规回填相比，简化了施工措施，缩短了工期，具有良好的技术经济效益。

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A pre-shaped hollow case of clear plastic is heat sealed to enclose goods onto a backing board which have been printed and coated with blister pack solution.

把物品放在一个定形透明胶壳内，用热力把它封贴在一片印好和涂上压索油的纸板上。

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Discussing the problems in operation of large pre-baked anode cell in China

我国大型槽管理中的几个问题

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Design of Lifting Mechanism for High-ampere Pre-baked Anode Cell

大型预焙槽阳极提升机构设计

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Practices of controling trace elements in pre-baked anode

预焙阳极中微量元素的控制与生产实践

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