Condsidering the real condition of filter production in the country,the concents,properties and advantages of state standard filters are introduced and the information of camera standardization is exchanged.

結(jié)合國(guó)內(nèi)濾光鏡生產(chǎn)實(shí)際情況，介紹了濾光鏡國(guó)家標(biāo)準(zhǔn)的內(nèi)容、性能及其先進(jìn)性，交流了照像機(jī)綜合標(biāo)準(zhǔn)化工作信

Having a sharp point or tip.

尖的,尖銳的有尖點(diǎn)或尖端的

pierce with a sharp stake or point.

用尖銳的樹(shù)樁或者尖銳點(diǎn)刺穿。

cutting remarks; edged satire; a stinging comment.

尖銳的評(píng)論；尖銳的諷刺文學(xué)；尖刻的評(píng)論。

make a loud, piercing sound.

發(fā)出大的尖銳的聲音。

To cause to make an abrupt, sharp sound.

使發(fā)出短促、尖銳的聲音

a sudden sharp noise.

一種突然的、尖銳的聲音。

They have all been sharp class struggles.

這是尖銳的階級(jí)斗爭(zhēng)。

he was incisively critical.

他受到了尖銳的批評(píng)。

a short light metallic sound.

清脆、尖銳的金屬響聲。

any implement that is used to make an edge sharper.

用于使邊緣尖銳的工具。

an arch with a pointed apex.

有一個(gè)尖銳的頂點(diǎn)的拱。

make a sharp explosive noise.

發(fā)出尖銳的爆炸的聲。

Her shrieks pierced the air.

她尖銳的叫聲直刺云天.

sharpen with a strap.

用磨刀皮帶使變得尖銳。

a single sharp crash of thunder.

一個(gè)尖銳、爆裂的雷聲。

To cause to make a sharp, snapping sound.

使發(fā)出尖銳的爆裂聲

a sharp high-pitched metallic sound.

尖銳高音調(diào)的金屬聲。

sharpen by rubbing, as on a whetstone.

在磨石上磨擦使變尖銳。