一定的

The proposed key predistribution scheme has advantages over random key predistribution scheme in its security and only spends moderate computation cost so it is quite practical.

与随机密钥预分配方案相比，本方案在健壮性和安全性方面具有一定的优势，其计算和存储开销也不大，具有一定的实用性。

PTX at tenuates the ALI induced by LPS or sepsis in rat. The therapeutic effects of PTX include:improve oxygenation, at tenuate pulmonary edema formation, enhance animal survival in sepsis-induced ALI. The mechanisms may related with the effects of PTX inhibiting the chemotaxis, migration, activation of inflammatory leukocytes, diminishing the production of active oxygen, and inhibiting inflammatory cytokine release partly.

4PTX对大鼠内毒素性ALI及脓毒症性ALI均有一定的防治作用，主要表现在改善动脉血氧合，减轻肺水肿形成，提高脓毒症性ALI大鼠的存活率等方面，其机理可能与抑制白细胞趋化与激活，减少肺内白细胞渗出及活性氧产生，一定程度上抑制炎性细胞因子生成等有关。

These results indicated that the seedlings of Vallisneria natans were adapted to low intensity which ranged from 7.1% to 43.3% of natural light intensity.

这表明苦草幼苗有一定的低光适应能力，光强范围大约是7.1%~43.3%，为在浑浊水体中恢复、重建苦草种群提供了一定的实验依据。

That is, we can use a combination of biological (periodic releasing naturalenemies) and chemical tactics that eradicates the pestto extinction, and show the efficiency of IPM strategy.

也就是通过引入周期脉冲捕杀一定比例的害虫或喷洒杀虫剂杀死一定的害虫和周期投放一个常数天敌来控制害虫。

This text will analyses the focal point in legal principle that land expropriation is applicable to, in the hope of expounding the basic problem, in order to perfect the system of land expropriation of our country, accelerate administrations expropriating and legislating to offer certain inspiration, deficiency in remedying in certain meaning.

本文将重点在土地征收适用的法律原则方面进行分析，以期阐明基本问题，为完善我国土地征收制度，加快行政征收立法提供一定的启发，在一定意义上弥补这方面的不足。

Thus, the infrared spectra analysis can reflect the relationships of rhizobia, but in practice, there were some difficulties.

因此，红外光谱分析在一定程度上可反映根瘤菌的分类地位，但实际应用起来，仍有一定的困难。

From 1,000 yr BP to today. Penguin rookeries changed in response to climate change, however, this fluctuation was slight.

第四阶段，距今1，000年以来，总体上 Y2湖周围保持一定规模的企鹅聚居，期间随气候变化，企鹅聚居地有一定的变化。

Were 9.93 %-16.27 % lower than that of normal urea. Compared with the normal urea, the volatilized ammonia rate of BCCU was reduced to

物k和氮素利用率分别提高12.8 %-24.1 %和10.50%-16.99 % o 结论1竹炭片尿素中氮素不仅具有一定的缓释性能，还具有一定的

The results show that the seismic activity of M =4 0 earthquake has overall presented a relative stable state, but the partial concentrated area which evolutes and migrates and the abnormal low b \|value area have appeared in differe...

这种地震活动时空非均匀现象具有一定的稳定性和重现性，对于中期至中短期地震危险性预测及缩小危险区范围具有一定的实用意义。

It will take some time, maybe years, but it must start here in China with the Chinese falconers coming together and talking about the future and joining together.

需要一定的时间，也许会要些年头才成。但是现下中国的鹰猎者一定要聚集起来，讨论将来，并团结一致。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。