低等

Small family of lower ferns having nearly naked stems and minute scalelike leaves .

低等蕨类植物小科具有接近茎和微小鳞状叶。

Spatial lower-mobility parallel robots have received considerable schola- rs' attention of all the world and have a broad perspective in industry product- ion and other fields for the advantages of their simple mechanism, high stiffn- ess and low cost.

空间少自由度并联机器人由于具有结构相对简单，刚度大，造价低等特点，在工业生产及其它领域有着广阔的应用前景，开始受到国内外学者的关注，因而成为机器人领域的一个新的研究热点。

The study revealed, in the runnability, dynamic emulsion stability of ink, in offset printing, the stability of soy ink is about 0.905 gram-meter, and in web printing is about 1.4 gram-meter both better than traditional ink, so easier to cause some problems such as scumming , mottle, dot gain, and low printing density, etc.

最后得到结论，黄豆油墨适机性方面，在动态乳化稳定性，张页印刷时较传统佳约0.905 gram-meter，轮转印刷时较传统佳约1.4 gram-meter，因此较不易造成失败的水墨乳化、油墨失去流动且不再转移到印版、引起版糊与版污、造成印刷浓度降低等。

The amorphous magnetic field senso r of pulse induction type has high sensitity and good stability as we ll as low requirement of work cond itons.

脉冲感应型非晶态磁场传感器具有灵敏度高、稳定性好、对使用环境要求低等特点。

After the age of 6, antibody GMT was shown to be middle and low level. The seropositive rate of measles antibody dropped along with the growth of age.

以1～12岁儿童抗体阳性率高（85.71％～98.44％），GMT则从6岁开始下降至中低等水平，抗体阳性率有随年龄增长而下降的趋势。

In order to adapt the vegetables variety many, the content low and so on the characteristic, this article studied in the atomic fluorescence spectrographic methods determination vegetables the cadmium method, the result has been satisfied.

就是下面这段：近年来已发表了许多测定镉的论文，由于测定原理不同，灵敏度也各不相同。为了适应蔬菜品种多，含量低等特点，本文研究了原子荧光光谱法测定蔬菜中镉的方法，结果满意。

Chapter 7 is the most important part of this thesis where the gene splicing from lower to higher organisms is studied in detail.

第七章作为论文的主要部分，详细研究了从低等生物到高等生物的基因的剪切位点预测。

Mean population densities of M.pennsylvanicus were higher in supplementally fed than in control sites only in low food tallgrass habitat.

仅在低等食物质量的高杆草栖息地内，投放附加食物可导致草原田鼠的种群密度高于对照样地。

Most of these compounds have low to moderate toxicity to humans, but a few are known to be teratogenic.

大部分该类化合物对人体具有低等或中等的毒性，而少数会导致畸形。

The tetrazine high-nitrogen energetic materials are new kinds of ones researched and reported widely at home and abroad in recent years.

四嗪环是一种含氮质量分数达68.3%的六元氮杂环含能基团，是设计高能钝感含能材料中非常有效的结构单元；四嗪类高氮含能材料也是近年来国内外研究和报道较多的一种新型含能材料，部分具有生成焓高、热稳定性好和感度较低等特点。

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。