The relative aperture of the zoom lens is F/1.6 in this design.

用實(shí)例說(shuō)明水下鏡頭的設(shè)計(jì)方法国产乱子露脸久久，設(shè)計(jì)的鏡頭相對(duì)孔徑為F/1.6。

An efficient sparker for a pulse powered underwater acoustic source for minesweeping is capable of repetitive discharges at about 15Hz for at least one hour without replacement or maintenance.

水下掃雷用的日本jizzjizz、用于脈沖水下聲源的高效火花發(fā)生器能夠重復(fù)放電无码操人视频，頻率約為15 Hz，持續(xù)時(shí)間至少1h欧美中文字幕日韩综合，無(wú)需更換和維護(hù)黑人欧美视频巨粗巨大巨硬。

Vector hydrophone can measure energy and particle velocity at a point in space with one sensor and can estimate the bearing of target.

摘要矢量傳感器通過(guò)測(cè)量水中質(zhì)點(diǎn)的振速信息，僅用單個(gè)的矢量傳感器就可以進(jìn)行水下目標(biāo)的方位估計(jì)777性视频。

The accurate length of period when the phase change material keeps in solid or liquid can be worked out for the determination of the critical gliding depth range and check valves'action order to ensure the circulation catachrestic of the thermal driven system.

本文還設(shè)計(jì)了一種針對(duì)水下滑翔機(jī)試驗(yàn)用的熱泵裝置型海洋溫躍層模擬系統(tǒng)，并構(gòu)建了實(shí)際試驗(yàn)臺(tái)架中国国产精品无码理论片，為滑翔機(jī)的水下試驗(yàn)奠定了基礎(chǔ)日韩精品激情视频网站在线观看。

Tropical fish with huge fanlike pectoral fins for underwater gliding; unrelated to searobins.

有可以用在水下滑行的巨大的胸鰭的熱帶魚(yú)；與海羅賓無(wú)關(guān)无码视频性交。

Thereinto, the analog receiver, the main body of the UATS preprocessor, conditions the output signals of the receiving transducer, which are amplified and filtered.And the driving circuit implements the low-pass filtering of the D/A converters output signals and offers the result to the power amplifier circuit as its input.In addition, the fathoming circuit acquires the depth information of the underwater electronic equipment cabin to ensure a relatively convenient way to adjust and recover the underwater parts of the system.

其中亚洲欧美小说图片，模擬接收機(jī)完成對(duì)接收換能器輸出信號(hào)的放大、濾波等調(diào)理工作人人操人人人看，是水聲靶標(biāo)系統(tǒng)預(yù)處理機(jī)的主體部分激情图片视频；驅(qū)動(dòng)電路實(shí)現(xiàn)對(duì)D/A轉(zhuǎn)換器輸出信號(hào)的低通濾波，用以產(chǎn)生功率放大電路的輸入信號(hào)日韩无码高清啪啪啪高潮；測(cè)深電路用來(lái)獲取水下電子艙的深度信息色综合欧美色综合七久久，便于系統(tǒng)水下部分的調(diào)整和回收。

There is a low-head runoff electric station at lower reaches of principal river and the workshop is the style of riverbed. A successful example of dredging tail water riverbed with the blasting technology in an electric power plant is introduced with the measure of drilling dynamite for enhancing dynamoelectric benefit in the paper. The construction process flow, detonating parametric design and the security issues of the underwater demolition are discussed in detail and it will give light to the similar project.

摘 要：位於下游干流上某水電站是一座低水頭徑流式電站国产成人久久精品二区三区，廠房為河床式在线免费黄色高清网站，為了提高機(jī)發(fā)電效益，本文結(jié)合了在某電廠用爆破法疏挖尾水河床的成功實(shí)例看免费黄色网站看黄色免费网站，利用鉆孔爆破法對(duì)水下爆破進(jìn)行施工精品视频专区一在线观看，分別介紹了在該工程中進(jìn)行水下爆破施工的施工工藝流程、爆破參數(shù)的設(shè)計(jì)以及水下爆破安全校核方面的內(nèi)容欧美影院成年免费版视频在线播放，可供類(lèi)似爆破工程借鑒A级片。

There is a low-head runoff electric station at lower reaches of principal river and the workshop is the style of riverbed. A successful example of dredging tail water riverbed with the blasting technology in an electric power plant is introduced with the measure of drilling dynamite for enhancing dynamoelectric benefit in the paper. The construction process flow, detonating parametric design and the security issues of the underwater demolition are discussed in detail and it will give light to the similar project.

摘 要：位于下游干流上某水電站是一座低水頭徑流式電站，廠房為河床式在线播放最新国产精品，為了提高機(jī)發(fā)電效益黑人黄色网站，本文結(jié)合了在某電廠用爆破法疏挖尾水河床的成功實(shí)例，利用鉆孔爆破法對(duì)水下爆破進(jìn)行施工欧美日韩黄色三级久久，分別介紹了在該工程中進(jìn)行水下爆破施工的施工工藝流程日韩精品无码加勒比综合、爆破參數(shù)的設(shè)計(jì)以及水下爆破安全校核方面的內(nèi)容，可供類(lèi)似爆破工程借鑒。

The re is a low-head runoff electric station at lower reaches of principal river and the workshop is the style of riverbed. A successful example of dredging tail water riverbed with the blasting technology in an electric power plant is introduced with the measure of drilling dynamite for enhancing dynamoelectric benefit in the paper. The construction process flow, detonating parametric design and the security issues of the underwater demolition are discussed in detail and it will give light to the similar project.

摘 要：位于下游干流上某水電站是一座低水頭徑流式電站群P网址，廠房為河床式3p性交A片免费，為了提高機(jī)發(fā)電效益，本文結(jié)合了在某電廠用爆破法疏挖尾水河床的成功實(shí)例在线免费观看H片，利用鉆孔爆破法對(duì)水下爆破進(jìn)行施工2021韩国三级在线无码中文，分別介紹了在該工程中進(jìn)行水下爆破施工的施工工藝流程、爆破參數(shù)的設(shè)計(jì)以及水下爆破安全校核方面的国产国语对白不卡AV观看，可供類(lèi)似爆破工程借鑒免费黄色网站播放。

The re is a low-head runoff electric station at lower reaches of principal river and the workshop is the style of riverbed. A successful example of dredging tail water riverbed with the blasting technology in an electric power plant is introduced with the measure of drilling dynamite for enhancing dynamoelectric benefit in the paper. The construction process flow, detonating parametric design and the security issues of the underwater demolition are discussed in detail and it will give light to the similar project.

摘 要：位于下游干流上某水電站是一座低水頭徑流式電站，廠房為河床式色色亚洲色，為了提高機(jī)發(fā)電效益一级黄页电影免费在线大全，本文結(jié)合了在某電廠用爆破法疏挖尾水河床的成功實(shí)例，利用鉆孔爆破法對(duì)水下爆破進(jìn)行施工国产精品一线天在线观看，分別介紹了在該工程中進(jìn)行水下爆破施工的施工工藝流程亚洲91av网、爆破參數(shù)的設(shè)計(jì)以及水下爆破安全校核方面的內(nèi)容，可供類(lèi)似爆破工程借鑒qq午夜6080。