The primary materials used are maple veneered plywood for the volumes and solid pine strips for the trellis.

设计采用的主要材料是枫木贴面胶合板材和实心松木条。

youdao

Medical biomaterials introduced in this paper, some medical equipments applied to clinical operations and their primary materials are also discussed.

本文除对医用生物材料作了简要叙述外，还详述了一些被成功运用于临床的医疗装备及其制造材料。

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The effects of molar ratio of primary materials, temperature and time of reaction on the yield were examined . The optimum conditions of the synthesis were determined.

考察了原料摩尔比、反应温度、反应时间对产品收率的影响，确定了最佳合成条件。

youdao

She says only about two hundred informal schools across the country receive money for materials under the free primary education program.

VOA: special.2009.08.24

They have just finished several years of research on primary materials - what we'll call stuff - and put it in a book, Sustainable Materials With Both Eyes Open, free to download and fascinating for umpteen reasons.

BBC: Go Figure: Why does every person need 200kg of steel a year?

First and foremost economics: China already is or will in time become that largest and fastest growing market for a range of Japanese exports, a key production base for its industrial companies, and a source of important imports, from finished goods, to parts, to primary materials and food.

FORBES: More on the Future Japan-China (and Japan--U.S. ) Relationship

Mr Gove also complained about teaching materials for primary school children published by the Historical Association, a group which has criticised his curriculum plans.

BBC: Gove criticises 'Mr Men' history teaching