the major improvements include the ability to carry four large missiles on underwing hard points rather than two, as with previous versions.

it is often necessary to determine the satisfactory release characteristics of tip tanks, underwing stores, bombs, or other devices.

经常有必要测定翼尖油箱，翼下外挂物，炸弹或其它装置的投放特性。2.Can't judge the underwing from that photo, but it does look to be a rather bulky and broad-winged bird.从这张照片我无法判断翼下的特徵，但他看起来是比较壮硕，翅膀也比较宽大。

deep burial metamorphism of coal;

煤深成变质；

the main metamorphism type is contact metamorphism of coal.

其主要煤变质类型为接触变质。

application of root pile to consolidate tube-sinking cast-in-situ pile

树根桩在加固沉管灌注桩中的应用

application of half reinforced cage concrete to tube-sinking filling pile

半笼钢筋砼沉管灌注桩的应用

application of tube- sinking cast-in-situ piles in groundwork of the high-rise houses

振动沉管桩在高层住宅楼基础中的应用

control measures for impacts of tube sinking cast-in-place pile construction on the environment

沉管灌注桩施工对环境影响的控制措施

quality problems and measures in the constructions of hammering tube-sinking poured piles

锤击沉管灌注桩施工中质量问题及处理方法

treating shifting sands occurred in artificial digging pile by vibrating tube sinking method

振动沉管法处理人工挖孔桩的流砂问题

analysis of construction quality for tube sinking piles and remedies for failure construction

沉管灌注桩施工质量分析及失败后的补救措施

quality treatment of large scale tube-sinking cast-in-situ piles and settlement supervising analysis of expressway

高速公路大面积振动沉管桩质量问题处理及沉降监测分析

finally, a simulation test to verify that the model can be suitable for measurement required in the process of tube sinking.

最后通过模拟试验进行验证，得出了该模型能够满足管段沉放测量要求的结论。

practice doing sth. he practices typing every day.

他每天练习打字。

c. practice doing sth i don't have a partner to practice english with.

我没有搭档一起练英语。类似句型

application of wide range transfixion suture hepatic tissue with severe injury via endoscopic assistance by embroidery pattern

窥镜辅助下刺绣式大跨度贯穿缝合在严重肝损伤治疗中的作用

vesicular stomatitis virus selectively inducing cytolysis of hepatocellular carcinoma cell line

水疱性口炎病毒对肝癌细胞的选择性感染和溶解作用

methods: we used virus proliferation assay cell viability assay to evaluate the proliferation and cytolysis selectivity of cnhk500.

方法：行病毒增殖实验和细胞生长抑制实验，验证CNHK500选择性复制和杀伤能力；

the ultrastructure changes showed various degrees of degeneration and edema and focal cytolysis necrosis in liver, heart, lung, kidney.

心、肝、肺、肾等实质器官出现不同程度的细胞变性、水肿以及局灶性溶解坏死；

detection of step-structure edge based on order statistic filter

基于次序统计滤波器的阶跃边缘检测

study on bidding strategy of generation company based on order statistic

基于次序统计量的发电公司竞价策略研究