This paper deals with development of the seed embryo and plantlet formation of Dendrobium chrysotoxum Lindl.

Objcctive To provide basic theory for further research and development of medical dendrobium.

目的为进一步研究开发石斛属药用植物提供理论基础.

A high performance liquid chromatography-mass spectrometric ( HPLC-MS ) method for microdetection of carbendazim in Dendrobium candidum Wall.

用 高效液相色谱 - 质谱联用法定量检测铁皮石斛、西洋参药材及其制剂中的多菌灵残留.

With our studying on Dendrobium candidum synthetic seed , existing problems and further development also discussed.

结合我们在铁皮石斛人工种子方面的研究, 提出了人工种子应解决的问题及今后的研究方向.

CONCLUSION Compounds-were obtained from Venus Dendrobium for the first lime.

结论化合物 - 均为首次从石斛属植物中分得.

Dendrobium species are used as the traditional Chinese medicine herbs for centries.

石斛作为传统名贵中草药,其资源再生,化学成分和药理活性逐渐引起人们的关注,多糖是石斛属植物中主要的药用活性成分之一.

Methods: The content of polysaccharides was determined by colorimentry.

方法用比色法测定石斛多糖的含量.

Please make me a fresh pot of tea.

请给我沏一壶新茶.

Shall I ring for a fresh pot of tea?

要我按铃叫一壶新沏的茶水吗？

Possess the arc push current device. It's not easy to change.

设有推力电流装置, 不易发生引弧不良和焊条粘附现象.

It's harder to bowl hook-shots, but I don't mind.

要打弧球是非常困难的, 但是我不介意.

An arc is a part of the circumference of a circle or other curved lines.

弧是圆周或曲线的一部分.

Comparatively rudimentary interferometer observations suggested that this source is about 1.5 across.

不很精确的射电干涉仪观测表明,这个源的角径约为1.5弧秒.

Form time to time Miss Walcott wrote to me.

华尔科特小姐有时侯写信给我.

Hearn stared at him . The General was upset he realized.

侯恩盯着将军细细一打量,发觉将军心神不定.

Once again Hearn realized how barren the General's tent was.

将军的帐篷太空落落了!侯恩又一次产生了这样的感触.

Tadpole shrimp live in seasonal, freshwater ponds.

鲎虫生活在季节性活水池塘中.

Hearn felt the weight and resistance.

候恩不由得心头沉重,感到棘手.

Hearn, you have no idea what it's like working on space.

候恩，你不晓得在“太空”工作是怎么个味道呢。

Hearn was silent, watching the General's face, which was remote.

候恩默默无言，望着将军的脸。将军的表情淡漠。

The dog ran down the fox.

狗紧追在狐狸的逅面.