极短的

First, the speed of the reaction between mud acid and rock is very fast, the effective distance of acid is short, active acid can not reach deep formation.

首先，高温下常规土酸与地层矿物反应速度极快，酸液有效作用距离短，活性酸不能到达地层深部；其次，HF与铝硅酸盐的化学反应不是简单的一次反应，其副产物氟硅酸和氟铝化物还可与铝硅酸盐发生二次反应和三次反应，形成一系列不溶性的沉淀物，对储层造成严重伤害；第三，高温情况下酸液对井下管柱及工具腐蚀性很强，对缓蚀剂性能要求高。

Among them, Bidens pilosa var. radiate and Egeria densa were found to be the dominant species with broadest habitat ranges in terrestrial and aquatic environments, respectively.

其中，大花咸丰草是兰阳平原入侵范围最广泛的陆生物种，水蕴草则是流动水体系统中最具威胁者，两者在台湾的驻在时间短，但入侵能力极强。

First was high-necked,then lower-neckd and collarless.Some sleeves of the cheongsam were longer to wrist,some are lower than elbow;The tapestry satin without the sleeve have double lapels, the clothes may long or to be short, and it only for the economical wealthy woman.

先是崇尚高领，后来又流行低领至无领，低到无可再低时，索性将领子取消，袖子时而长过手腕，时而又短及露肘，两边开衩开得很高，腰身变的极窄，进一步合体以显示出女性的体型曲线。

The severe cold and dry climate is not beneficial to the growth of Pteridophyte in Heilongjiang of china.

黑龙江省地处我国最东北部，气候干燥寒冷，无霜期短[1 ] ，对于大多数喜温暖潮湿的蕨类植物而言，是极难生存的。

People in natural Pyrethrum ester chemical structure on the basis of a variety of pyrethroid insecticides, but the validity of these pesticide residues are short and easy solutions for optical characteristics.

人们在天然除虫菊酯化学结构研究的基础上合成出了多种拟除虫菊酯杀虫剂，但这些杀虫剂均有残效期短和极易光解的特点。

Fruiting pedicels ascending to divaricate, glandular or eglandular, lowermost 1-2.5 cm. Sepals purple, linear to linear-oblong, 9-12 × 2-3 mm, glabrous, pubescent, or glandular, white margined.

到极叉开，具腺或上升的果梗，最下萼片紫色1-2.5 厘米，线形到线形长圆形， 9-12 * 2-3 毫米，无毛，短柔毛，或具腺，白色的边缘。

Fruit lanceolate, terminal segment strongly compressed, ensiform; fruiting pedicels divaricate; fruit valves hispid with subsetose trichomes mixed with much shorter, more slender ones

结果实披针形，顶生分裂强烈压扁，；果梗极叉开；果裂爿具糙硬毛的具subsetose毛状体与非常短，更纤细的混合 1 S。

Main stem undeveloped; fertile stems several, arising from rosette, diffuse or ascending, 15--50(--100) cm, glabrous or puberulent on 1 side, very rarely densely hirsute. Basal leaves with blade linear, 5--15(--30) cm × 6--9 mm, margin ciliate only proximally; cauline leaves shorter, ciliate only on 1 side of sheath mouth, glabrous elsewhere, very rarely densely hirsutulous.

根状茎无。主茎不发达；能育茎数个，基生叶具线形的叶片，5-15(-30)厘米×6-9毫米，只下部的边缘具缘毛；茎生叶短，仅在鞘口部一边具缘毛，在别处无毛，极少浓密具微糙硬毛。

Basal leaves 2-6, long petiolate; stipules over 1/2 adnate to petioles, broadly lanceolate, membranous, margin sparsely denticulate and ciliate or entire, apex acuminate; petioles 3-9 cm at anthesis, usually green, sometimes purplish, glabrous, nitid, elongated at fruiting to more than 20 cm; leaf blade glabrous on both surfaces or pubescent along veins, 3-sect, segments shortly stipitate, lateral segments deeply 2-fid, central segment deeply 2- or 3-fid, terminal lobes highly variable in shape and size, ovate-lanceolate, lanceolate, oblong, or linear-lanceolate, margin irregularly dentate or shallowly divided, sometimes triparted to pinnatiparted or 3-lobed, apex obtuse or acute.

基生叶2-6，具长叶柄；托叶超过1/2的贴生至叶柄，宽披针形，膜，边缘疏生细齿和具缘毛或全缘，先端渐尖；叶柄3-9厘米在花期，通常绿色，有时略带紫色，无毛，有光泽的，在果期拉长到超过20厘米；叶片两面无毛沿脉具短柔毛，3全裂，裂片具短柄，侧裂片2深裂，中裂片2或3深裂，顶裂片形状和大小极易变，卵状披针形，披针形，长圆形，或线状披针形，边缘不规则牙齿或浅裂，有时3深裂到羽状深裂或3浅裂，先端钝或锐尖。

Instruments of ideology circumvents much of the fictional enterprise.

解释：本的子既短，意思也难解，但插入语的干扰作用却极强。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。